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Podcast Profile: Astronomy Cast

podcast imageTwitter: @fcain@starstryder (@fcain followed by 388 accounts on physicist, mathematician, and astronomer lists)
Site: www.astronomycast.com
541 episodes
2006 to present
Average episode: 32 minutes
Open in Apple PodcastsRSS

Categories: Astronomy • Two Hosts

Podcaster's summary: Take a fact-based journey through the cosmos. Tune in to hear weekly discussions on astronomical topics ranging from planets to cosmology. Hosted by Fraser Cain (Universe Today) and Dr. Pamela L. Gay (Planetary Science Institute), this show brings the questions of an avid astronomy lover direct to an astronomer. Together Fraser and Pamela explore what is known and being discovered about the universe around us. Astronomy Cast is supported thru patreon.com/AstronomyCast.

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List Updated: 2022-Dec-07 12:58 UTC. Episodes: 541. Feedback: @TrueSciPhi.

Episodes
2022-Dec-05 • 31 minutes
Ep. 661: Looking Back on the Missions That Ended
Astronomy Cast Ep. 661: Looking Back on the Missions That Ended by Fraser Cain & Dr. Pamela Gay It’s always sad to say goodbye, but when we send our robotic emissaries out into the cosmos, it’s just a matter of time before they shut down....
2022-Nov-28 • 28 minutes
Ep. 660: Runaway! Runaway! Escaping Stars, Planets & Small Bodies
Astronomy Cast Ep. 660: Runaway! Runaway! Escaping Stars, Planets & Small Bodies by Fraser Cain & Dr. Pamela Gay Moons orbit planets, planets orbit stars, stars orbit within galaxies. It’s orbits all the way down. But occasionally objects...
2022-Nov-14 • 34 minutes
Ep. 659: Clear Skies, Bright Satellites
Astronomy Cast Ep. 659: Clear Skies, Bright Satellites by Fraser Cain & Dr. Pamela Gay Streamed live on Nov 8, 2022. Light pollution is big problem and it’s only getting worse. Not just near cities, but everywhere thanks to increased satellite...
2022-Nov-07 • 31 minutes
Ep. 658: Space Exploration Horror Stories
Astronomy Cast Ep. 658: Space Exploration Horror Stories by Fraser Cain & Dr. Pamela Gay Streamed live on Oct 31, 2022. We’re recording this episode on Halloween, so how could we resist but take advantage of this opportunity. Space is already...
2022-Oct-17 • 35 minutes
Ep. 657: Astronomical Naming Schemes
Astronomy Cast Ep. 657: Astronomical Naming Schemes by Fraser Cain & Dr. Pamela Gay Space is a big place, with lots of galaxies, stars, planets, moons, and that means a lot of names. So how do astronomers name stuff, like comets, asteroids,...
2022-Oct-10 • 27 minutes
Ep. 656: Smashing Asteroids for Science!
Astronomy Cast Ep. 656: Smashing Asteroids for Science! by Fraser Cain & Dr. Pamela Gay Streamed live Oct 3rd. This week we saw the incredible image of DART smashing into asteroid Dimorphous. Beyond avenging the dinosaurs, what can we learn...
2022-Oct-03 • 29 minutes
Ep. 655: 65 Years of Space: Sputnik 1 Anniversary
Astronomy Cast Ep. 655: 65 Years of Space: Sputnik 1 Anniversary by Fraser Cain & Dr. Pamela Gay Streamed live on Sep 26, 2022. It’s been about 65 years since the Soviets launched the first orbital satellite into low Earth orbit: Sputnik 1. Now...
2022-Sep-26 • 31 minutes
Ep. 654: The Side Effects Of Clean Energy
Astronomy Cast Ep. 654: The Side Effects Of Clean Energy by Fraser Cain & Dr. Pamela Gay To battle climate change, we’ll need to rapidly move to carbon-free sources of energy. But this technology isn’t a free lunch. They require metals,...
2022-Sep-19 • 31 minutes
Ep. 653: Climate Change: Looking at the Variables
Astronomy Cast Ep. 653: Climate Change: Looking at the Variables by Fraser Cain & Dr. Pamela Gay Climate change is on our mind these days with increasing wildfires, droughts and floods. What are the variables that play into a planet’s changing...
2022-Sep-12 • 30 minutes
Ep. 652: The Rocket Race Towards Reusability
Astronomy Cast Ep. 652: The Rocket Race Towards Reusability by Fraser Cain & Dr. Pamela Gay Last week we talked about how single-use rocketry has changed over time, and the role it still plays in launching payloads into orbit and beyond. Today...
2022-Sep-07 • 32 minutes
Ep. 651: Artemis & The Decline of Single Use Rockets
Astronomy Cast Ep. 651: Artemis & The Decline of Single Use Rockets by Fraser Cain & Dr. Pamela Gay Season 16 opener. On the day that we’re recording this, NASA’s Space Launch System is about to blast off. But everyone is expecting it’ll...
2022-Jul-20 • 31 minutes
Ep. 650: Did JWST Work?
Astronomy Cast Ep. 650: Did JWST Work? by Fraser Cain & Dr. Pamela Gay Sign up through to make a difference in the climate crisis, and Wren will plant 10 extra trees in your name! Well, this is it. We’re FINALLY going to talk about the James...
2022-Jul-11 • 28 minutes
Ep. 649: Highlights From NASA’s Holiday Ruining History
Astronomy Cast Ep. 649: Highlights From NASA’s Holiday Ruining History by Fraser Cain & Dr. Pamela Gay Have you ever noticed that significant space and astronomy events seem to happen during the holidays? It’s not a coincidence. There’s...
2022-Jul-04 • 29 minutes
Ep. 648: Summer Observing
Astronomy Cast Ep. 648: Summer Observing by Fraser Cain & Dr. Pamela Gay Summer is officially, astronomically here, and for the folks in the northern hemisphere that means it’s a perfect time to head outside and see what’s happening in the...
2022-Jun-27 • 28 minutes
Ep. 647: Best Sci Fi Beach Reading
Astronomy Cast Ep. 647: Best Sci Fi Beach Reading by Fraser Cain & Dr. Pamela Gay Summer’s here! And that means finally tackling that huge list of books piled up on your bedside table and filling up your Kindle. What books do we recommend for some...
2022-Jun-20 • 33 minutes
Ep. 646: Our Long Term Future in Space
Astronomy Cast Ep. 646: Our Long Term Future in Space by Fraser Cain & Dr. Pamela Gay We always say that we're living in golden age of space and astronomy, but it feels like things are just accelerating. Space travel is happening! What does the...
2022-Jun-13 • 29 minutes
Ep. 645: The Future of the ISS
Astronomy Cast Ep. 645: The Future of the ISS by Fraser Cain & Dr. Pamela Gay The International Space Station has been continuously inhabited for over 20 years now, serving as a peaceful collaboration between space-faring nations. But it's a machine,...
2022-May-30 • 32 minutes
Ep. 644: Is Earth… Normal?
Astronomy Cast Ep. 644: Is Earth… Normal? by Fraser Cain & Dr. Pamela Gay We've now discovered thousands of exoplanets, we're learning more and more about the kinds of planetary systems there are out there across the Universe. But are planets like...
2022-May-17 • 29 minutes
Ep. 643: Sagittarius A*
Astronomy Cast Ep. 643: Sagittarius A* by Fraser Cain & Dr. Pamela Gay All the waiting is over, we've finally seen the image of the event horizon from the supermassive black hole at the heart of the Milky Way. Different shaped blobs! And a black...
2022-May-16 • 28 minutes
Ep. 642: Is the Sun... Normal?
Astronomy Cast Ep. 642: Is the Sun... Normal? by Fraser Cain & Dr. Pamela Gay We've always assumed that we lived in a perfectly normal star system with a normal star and normal planets. It's all... normal. But with our modern understanding of billions...
2022-May-09 • 26 minutes
Ep. 641: Can Planets Be Alive?
Astronomy Cast Ep. 641: Can Planets Be Alive? by Fraser Cain & Dr. Pamela Gay The Earth is teeming with life, but the upper atmosphere to kilometers underground. There's no question that our planet has life. But is our planet itself alive? This is...
2022-May-02 • 29 minutes
Ep. 640: Survey Science: Newest Projects & Results
Astronomy Cast Ep. 640: Survey Science: Newest Projects & Results by Fraser Cain & Dr. Pamela Gay There are general-purpose telescopes and missions that astronomers can use to study specific objects. And there are the survey missions that look...
2022-Apr-18 • 28 minutes
Ep. 639: Big Qs Update: Dark Matter, Dark Energy, Etc.
Astronomy Cast Ep. 639: Big Qs Update: Dark Matter, Dark Energy, Etc. by Fraser Cain & Dr. Pamela Gay Knowledge moves forward, and so, we must move with it. Today we'll give you an update on some of the most fascinating, fast-changing topics in...
2022-Apr-11 • 30 minutes
Ep. 638: Simulating Space Missions
Astronomy Cast Ep. 638: Simulating Space Missions by Fraser Cain & Dr. Pamela Gay Although humans have never actually been to Mars, explorers have simulated many aspects of Mars missions here on Earth. There are missions under the ocean, on the...
2022-Apr-04 • 30 minutes
Ep. 637: Machine Learning in Astronomy
Astronomy Cast Ep. 637: Machine Learning in Astronomy by Fraser Cain & Dr. Pamela Gay Computers are a big part of astronomy, but mostly they've been relegated to doing calculations. But recent developments in machine learning have changed...
2022-Mar-28 • 29 minutes
Ep. 636: Blowing Bubbles
Astronomy Cast Ep. 636: Blowing Bubbles by Fraser Cain & Dr. Pamela Gay We think of space as a vacuum, but there are regions of different density. There are winds blowing from stars and other objects that clear out vast bubbles in space, and look...
2022-Mar-21 • 26 minutes
Ep. 635: Jets: When Magnetic Fields Fling Things
Astronomy Cast Ep. 635: Jets: When Magnetic Fields Fling Things by Fraser Cain & Dr. Pamela Gay As astronomers look out across the Universe. They see various objects spewing jets of material light years into space. What causes these jets? And what...
2022-Mar-14 • 28 minutes
Ep. 634: Milky Way’s Mergers & Acquisitions
Astronomy Cast Ep. 634: Milky Way’s Mergers & Acquisitions by Fraser Cain & Dr. Pamela Gay The Milky Way is a vast grand spiral today, but how did it get this way? Astronomers are starting to unravel the history of our galaxy, revealing the...
2022-Mar-07 • 29 minutes
Ep. 633: Weirdly Habitable Places
Astronomy Cast Ep. 633: Weirdly Habitable Places by Fraser Cain & Dr. Pamela Gay We've always assumed that habitable planets would need to be like Earth; a terrestrial planet orbiting a sunlike star. But now astronomers have been discovering...
2022-Feb-28 • 30 minutes
Ep. 632: Building Images: Optical vs Radio
Astronomy Cast Ep. 632: Building Images: Optical vs Radio by Fraser Cain & Dr. Pamela Gay A recent image from the South African MeerKAT Telescope blew our minds. It was a high resolution image of the center of the Milky Way showing delicate...
2022-Feb-21 • 30 minutes
Ep. 631: All The Uses Of Pulsars (Including Murder)
Astronomy Cast Ep. 631: All The Uses Of Pulsars (Including Murder) by Fraser Cain & Dr. Pamela Gay Pulsars are the rapidly spinning degenerate husks of dead stars, turning hundreds of times a second. But they're also handy clocks, spinning with...
2022-Feb-14 • 28 minutes
Ep. 630: Things We Can Look Forward To
Astronomy Cast Ep. 630: Things We Can Look Forward To by Fraser Cain & Dr. Pamela Gay In a rare moment of weakness, Pamela has decided she's open to the possibility that a future exists. That missions, telescopes and spacecraft are going to be...
2022-Feb-07 • 32 minutes
Ep. 629: The Cost of Delays
Astronomy Cast Ep. 629: The Cost of Delays by Fraser Cain & Dr. Pamela Gay With all the success of James Webb so far, it's looking like science's huge gamble is going to pay off, but there were years of delays and budget overruns. What impacts did...
2022-Jan-31 • 30 minutes
Ep. 628: The Sun Revisited
Astronomy Cast Ep. 628: The Sun Revisited by Fraser Cain & Dr. Pamela Gay Once again, it's time to take a look at the Sun. You know, the ongoing thermonuclear explosion of fusing hydrogen that's right over there. Fortunately, there's a fleet of...
2022-Jan-17 • 27 minutes
Ep. 627: Mercury Revisited
Astronomy Cast Ep. 627: Mercury Revisited by Fraser Cain & Dr. Pamela Gay It’s been about a thousand years since since we last looked at Mercury. So we figured it’s time for an update. What new things have we learned about Mercury? Or even new...
2022-Jan-10 • 30 minutes
Ep. 626: Terrestrial Planets - Mercury, Venus, Earth & Mars
Astronomy Cast Ep. 626: Terrestrial Planets - Mercury, Venus, Earth & Mars by Fraser Cain & Dr. Pamela Gay We continue our refreshed tour of the solar system, checking in on the inner terrestrial planets, Mercury, Venus, Earth and Mars. What...
2021-Dec-20 • 33 minutes
Ep. 625: End of the Year Review
Astronomy Cast Ep. 625: End of the Year Review by Fraser Cain & Dr. Pamela Gay We've reached the end of 2021 and this is the last episode of the year. Let's look back at the big space events of the last year and talk about what we're looking...
2021-Dec-13 • 26 minutes
Ep. 624: Small Rocky Bodies (Including Phobos & Deimos)
Astronomy Cast Ep. 624: Small Rocky Bodies (Including Phobos & Deimos) by Fraser Cain & Dr. Pamela Gay We've talked about the icy objects of the Solar System, today let's talk about space rocks. There's a surprising variety of rocky material...
2021-Dec-06 • 34 minutes
Ep. 623: NEOs: Concern or Nah
Astronomy Cast Ep. 623: NEOs: Concern or Nah by Fraser Cain & Dr. Pamela Gay Are asteroids dangerous? Well, just ask the dinosaurs and they’ll tell you a sad story of fiery death. It turns out we’re in a shooting gallery of space rock and...
2021-Nov-29 • 30 minutes
Ep. 622: Rockier Moons & Giant Asteroids
Astronomy Cast Ep. 622: Rockier Moons & Giant Asteroids by Fraser Cain & Dr. Pamela Gay So a rock is a rock is a rock. Right? Across the solar system there are giant rocky asteroids and even “gianter” rocky moons. What is the difference...
2021-Nov-22 • 29 minutes
Ep. 621: Gas Giants
Astronomy Cast Ep. 621: Gas Giants by Fraser Cain & Dr. Pamela Gay For the longest time the only gas giant planets that we knew about were Jupiter and Saturn. But now, in the age of extrasolar planets, astronomers have discovered thousands of gas...
2021-Nov-15 • 27 minutes
Ep. 620: Why Getting to the Outer Worlds is So Difficult
Astronomy Cast Ep. 620: Why Getting to the Outer Worlds is So Difficult by Fraser Cain & Dr. Pamela Gay Good News! Over the next few years we’re gonna see a flotilla of new missions headed to Jupiter and Saturn. Why aren’t we seeing more...
2021-Nov-08 • 37 minutes
Ep. 619: Icy Moons & Dwarf Planets
Astronomy Cast Ep. 619: Icy Moons & Dwarf Planets by Fraser Cain & Dr. Pamela Gay The outer Solar System is far enough from the Sun that water doesn't get blasted away into deep space. In this icy realm, there are many worlds with vast...
2021-Nov-01 • 28 minutes
Ep. 618: Ice Giants
Astronomy Cast Ep. 618: Ice Giants by Fraser Cain & Dr. Pamela Gay So we’re learning more & more about the outer planets of the solar system. Uranus & Neptune are Ice Giants, filled with water and other volatiles that we'd consider ice...
2021-Oct-30 • 36 minutes
Ep. 617: Hangout-A-Thon Episode 2 - Crowdfunding Science
Astronomy Cast Ep. 617: Hangout-A-Thon Episode 2 - Crowdfunding Science by Fraser Cain & Dr. Pamela Gay Funding for basic science has always been tricky business, coming mainly from universities, government, companies or wealthy individuals. But...
2021-Oct-29 • 33 minutes
Ep. 616: Hangout-A-Thon Episode 1 - The Great Observatories
Astronomy Cast Ep. 616: Hangout-A-Thon Episode 1 - The Great Observatories by Fraser Cain & Dr. Pamela Gay Well, you’re familiar with the Hubble Space Telescope of course, but it’s just one of NASA’s Great Observatories. After Hubble came 3...
2021-Oct-18 • 32 minutes
Ep. 615: Planet 9
Astronomy Cast Ep. 615: Planet 9 by Fraser Cain & Dr. Pamela Gay After Pluto lost its planethood we were down to 8 planets. But there’s growing evidence of another world or worlds out beyond the orbit of Pluto. Is Planet 9 out there and how will...
2021-Oct-11 • 27 minutes
Ep. 614: Centaurs, Comets & Asteroids
Astronomy Cast Ep. 614: Centaurs, Comets & Asteroids by Fraser Cain & Dr. Pamela Gay So there are asteroids, and there are comets. But there’s an entirely separate class of objects called centaurs. But instead of half human, half horse,...
2021-Oct-04 • 27 minutes
Ep. 613: Pluto’s Demotion: 15 Years Later
Astronomy Cast - Ep. 613: Pluto’s Demotion: 15 Years Later by Fraser Cain & Dr. Pamela Gay It's been 15 years since Pluto was kicked out of the planet club. It also happens to be the topic of our very first episode of Astronomy Cast more than...
2021-Jul-12 • 3 minutes
Ep. 612: Hiatus Message
Astronomy Cast Ep. 612: Hiatus Message by Fraser Cain & Dr. Pamela Gay Fraser & Pamela will return in early September with more episodes of Astronomy Cast. We hope you all have a safe, relaxing and prosperous summer!
2021-Jul-05 • 29 minutes
Ep. 612: The SETI Renaissance
Astronomy Cast Ep. 612: The SETI Renaissance by Fraser Cain & Dr. Pamela Gay Last week we talked about the various ways that astronomers could detect the presence of intelligent civilizations by observing technosignatures. This week we'll give you...
2021-Jun-28 • 31 minutes
Ep. 611: What is Required to Confirm Alien Life: Intelligence Edition
Astronomy Cast Ep. 611: What is Required to Confirm Alien Life: Intelligence Edition by Fraser Cain & Dr. Pamela Gay Last week we talked about what it's going to take to confirm basic biological life across the Solar System and the Milky Way. This...
2021-Jun-21 • 28 minutes
Ep. 610: What is Required to Confirm Alien Life: Non-Sentient Edition
Astronomy Cast Ep. 610: What is Required to Confirm Alien Life: Non-Sentient Edition by Fraser Cain & Dr. Pamela Gay Are we alone in the Universe? It's one of the biggest scientific questions we can possibly ask. And yet, with rovers on Mars,...
2021-Jun-14 • 29 minutes
Ep. 609: Volcanos With Benefits: Lava Tubes, Hydro Thermal Vents & More
Astronomy Cast Ep. 609: Volcanos With Benefits: Lava Tubes, Hydro Thermal Vents & More by Fraser Cain & Dr. Pamela Gay Volcanos can be some of the worst natural disasters that we can experience here on Earth. But life wouldn't even exist...
2021-Jun-07 • 28 minutes
Ep. 608: NASA Perseverance, The First 100 Days
Astronomy Cast Ep. 608: NASA Perseverance, The First 100 Days by Fraser Cain & Dr. Pamela Gay As you all know, Pamela refuses to talk about any missions which aren't actually doing science. Well, Perseverance has crossed the line, from fantasy to...
2021-May-31 • 28 minutes
Ep. 607: InSight and Earthquakes
Astronomy Cast Ep. 607: InSight and Earthquakes by Fraser Cain & Dr. Pamela Gay Mars is cold and dead today, but the massive volcanoes tell us what the planet used to be like, millions and even billions of years ago. But how volcanically active is...
2021-May-24 • 25 minutes
Ep. 606 - Time Dilation: Skipping Thru Time
Astronomy Cast Ep. 606 - Time Dilation: Skipping Thru Time by Fraser Cain & Dr. Pamela Gay Have you ever wanted to be a time traveler? Well, good news! You're time traveling right now. Into the future at one second per second. Taking too long?...
2021-May-17 • 26 minutes
Ep. 605: Sounding Rockets
Astronomy Cast Ep. 605: Sounding Rockets by Fraser Cain & Dr. Pamela Gay Last week we talked about balloon-based astronomy. This week we're gonna talk about putting telescopes on rockets and making observations mid flight. Welcome to the wild...
2021-May-10 • 27 minutes
Ep. 604: Balloon Astronomy
Astronomy Cast Ep. 604: Balloon Astronomy by Fraser Cain & Dr. Pamela Gay So when you think about the world's observatories, I'm sure you're imagining huge telescopes perched atop mountain peaks or space telescopes like Hubble. But you might be...
2021-May-03 • 25 minutes
Ep. 603: New Colors of the Radio Spectrum
Astronomy Cast Ep. 603: New Colors of the Radio Spectrum by Fraser Cain & Dr. Pamela Gay Last week we talked about how new telescopes and techniques are allowing astronomers to explore the shortest wavelengths of light. This week we go to the...
2021-Apr-26 • 25 minutes
Ep. 602: The New Colors of Gamma Rays - Getting Shorter
Astronomy Cast Ep. 602: The New Colors of Gamma Rays - Getting Shorter by Fraser Cain & Dr. Pamela Gay The Earth's atmosphere protects us from a Universe that is definitely trying to kill us. But it also blocks our view of the entire cosmos, like...
2021-Apr-19 • 26 minutes
Ep. 601: Unexpected Light Pollution
Astronomy Cast Ep. 601: Unexpected Light Pollution by Fraser Cain & Dr. Pamela Gay Day-by-day we're loosing our connection with the night sky. Already one third of humanity lives in so much light pollution that they can't see the Milky Way without...
2021-Mar-29 • 27 minutes
Ep. 600: Looking Ahead
Astronomy Cast Ep. 600: Looking Ahead by Fraser Cain & Dr. Pamela Gay Today we are gonna gaze into the future of space and astronomy. What upcoming missions & events are we excited about?
2021-Mar-22 • 25 minutes
Ep. 599: Zodiacal Light
Astronomy Cast Ep. 599: Zodiacal Light by Fraser Cain & Dr. Pamela Gay Pamela has told us in the most flowery terms about the diffuse dust across the inner solar system left over from the formation of the inner planets. well, it turns out she was...
2021-Mar-15 • 29 minutes
Ep. 598: How You Could Overturn Cosmology
Astronomy Cast Ep. 598: How You Could Overturn Cosmology by Fraser Cain & Dr. Pamela Gay You've probably heard of dark matter and dark energy, but maybe you don't fully understand what they are. Or maybe the idea itself just rubs you the wrong way...
2021-Mar-08 • 26 minutes
Ep. 597: The Expansion of the Universe
Astronomy Cast Ep. 597: The Expansion of the Universe by Fraser Cain & Dr. Pamela Gay It's been a while since we checked to make sure the Universe was still expanding. Yeah, apparently, that's still a thing. But in the last few years powerful new...
2021-Mar-01 • 27 minutes
Ep. 596: The Universe’s Background Noise
Astronomy Cast Ep. 596: The Universe’s Background Noise by Fraser Cain & Dr. Pamela Gay You might be familiar with the cosmic microwave background, but that's just one of the background radiations that astronomers look at. Some are well known...
2021-Feb-15 • 28 minutes
Ep. 595: Planet Hunting - Revisited
Astronomy Cast Ep. 595: Planet Hunting - Revisited by Fraser Cain & Dr. Pamela Gay This is gonna be another one of those evergreen topics where we come back again and again. Finding planets. Every time we talk about this now it seems like we've...
2021-Feb-08 • 28 minutes
Ep. 594: Juno - Primary Mission Highlights
Astronomy Cast Ep. 594: Juno - Primary Mission Highlights by Fraser Cain & Dr. Pamela Gay Pamela is always loath to talk about spacecraft until the mission's in space and the science is rolling. NASA's Juno Mission just received a mission...
2021-Feb-01 • 32 minutes
Ep. 593: Stellar Parasites
Astronomy Cast Ep. 593: Stellar Parasites by Fraser Cain & Dr. Pamela Gay Stars often come in groups of 2 or more. And if they're orbiting close enough to each other one star can feast on the other and when that happens, well, mayhem ensues!
2021-Jan-25 • 29 minutes
Ep. 592: Gamma-Ray Bursts - Updated
Astronomy Cast Ep. 592: Gamma-Ray Bursts - Updated by Fraser Cain & Dr. Pamela Gay Some of the most powerful explosions in the Universe are gamma-ray bursts, capable of blasting a beam of death half way across the galaxy. In just the last few...
2021-Jan-18 • 33 minutes
Ep. 591: What Are We Gonna Do With All That Space Junk?
Astronomy Cast Ep. 591: What Are We Gonna Do With All That Space Junk? by Fraser Cain & Dr. Pamela Gay Remember the good old days when there were only a few thousand living and dead satellites? Well, those days are long over. We're now entering an...
2021-Jan-11 • 31 minutes
Ep. 590: Lunar Hazards: Dust, Radiation and More
Astronomy Cast Ep. 590: Lunar Hazards: Dust, Radiation and More by Fraser Cain & Dr. Pamela Gay 2024 can't come soon enough. You know, that's the year when humans will set foot on the Moon again. Now don't you roll your eyes! That's the plan....
2020-Dec-21 • 30 minutes
Ep. 589 - Lunar Resources: Water (Update) & Other Volatiles
Astronomy Cast Ep. 589 - Lunar Resources: Water (Update) & Other Volatiles by Fraser Cain & Dr. Pamela Gay We've talked about the Moon and its water many times here on Astronomy Cast, but there've been a bunch of big updates thanks to new...
2020-Dec-14 • 33 minutes
Ep. 588 - Lunar Resources: Lava Tubes
Astronomy Cast Ep. 588 - Lunar Resources: Lava Tubes by Fraser Cain & Dr. Pamela Gay All eyes are on the Moon. We're going back, this time to stay, right? One of the best resources on the Moon will be the lava tubes that criss-cross the subsurface...
2020-Dec-07 • 34 minutes
Ep. 587: The Artemis Accords
Astronomy Cast Ep. 587: The Artemis Accords by Fraser Cain & Dr. Pamela Gay So the Moon is about to become a very busy place with multiple countries and private companies planning missions in the next few years. It's been decades since the Outer...
2020-Nov-30 • 33 minutes
Ep. 586: Life As We Know It: Habitable Exoplanets & Extremophiles
Astronomy Cast Ep. 586: Life As We Know It: Habitable Exoplanets & Extremophiles by Fraser Cain & Dr. Pamela Gay As scientists continue to explore the Earth, they're discovering life, surviving and even thriving in extreme environments. What...
2020-Nov-23 • 32 minutes
Ep. 585: Super Earths, Mini-Neptunes & Gas Dwarfs
Astronomy Cast 585: Super Earths, Mini-Neptunes & Gas Dwarfs by Fraser Cain & Dr. Pamela Gay Astronomers are finding even more new extrasolar planets and they're starting to discover entirely new categories. There are classes of planets...
2020-Nov-02 • 30 minutes
Ep. 584: Sample Return Missions From Asteroids
Astronomy Cast Ep. 584: Sample Return Missions From Asteroids by Fraser Cain & Dr. Pamela Gay So with a sample of asteroid Bennu firmly inside OSIRIS-REx's return capsule, it's time to bring this treasure home. So scientists can study the...
2020-Oct-26 • 30 minutes
Ep. 583: The 2020 Nobel Prize in Physics
Astronomy Cast Ep. 583: The 2020 Nobel Prize in Physics by Fraser Cain & Dr. Pamela Gay This year's Nobel Prize in Physics was awarded to three brilliant researchers who worked out some of the secrets of black holes. Today we're going to talk...
2020-Oct-19 • 32 minutes
Ep. 582: Building Bigger Black Holes
Astronomy Cast Ep. 582: Building Bigger Black Holes by Fraser Cain & Dr. Pamela Gay Did you hear the news? Nobel prizes for Black Holes! Now, we know there are stellar mass black holes and supermassive black holes, but how do you get from one to...
2020-Oct-12 • 32 minutes
Ep. 581: Other Kinds Of Novae
Astronomy Cast Ep. 581: Other Kinds Of Novae by Fraser Cain & Dr. Pamela Gay Don't ever accuse us of not comprehensively covering every kind of exploding star. This week we gather up all the left over ways that stars partially or fully explode or...
2020-Oct-05 • 33 minutes
Ep. 580: Exploding Dwarfs
Astronomy Cast Ep. 580: Exploding Dwarfs By Fraser Cain & Dr. Pamela Gay So you think that a white dwarf star is the end of a stellar life, and it's all downhill from there, a long, slow cool down towards the end of everything. But in some...
2020-Sep-28 • 34 minutes
Ep. 579: White and Black Dwarf Stars
Astronomy Cast 579: White and Black Dwarf Stars by Fraser Cain & Dr. Pamela Gay I've got some bad news for you. Stars die. At some point in the next few billion years or so our Sun is going to start heating up, using up all the fuel in its core,...
2020-Sep-21 • 31 minutes
Ep. 578: Venus Updates - or - Life on Venus?!?
by Fraser Cain & Dr. Pamela Gay So have you heard the news? Of course you have. Evidence of phosphene on Venus. Which could be a biosignature of life on our evil twin planet. There have been a lot of surprising stories about Venus, so let's get...
2020-Sep-14 • 32 minutes
Ep. 577: Mars in Opposition
Astronomy Cast 577: Mars in Opposition by Fraser Cain & Dr. Pamela Gay Every 2 years or so Mars lines up nicely with the Earth. It takes only 2 minutes to communicate with the rovers. You can see the polar ice caps in a small telescope. And it's...
2020-Jun-29 • 31 minutes
Ep. 576: Summer Stargazing Special
Astronomy Cast Ep. 576: Summer Stargazing Special by Fraser Cain & Dr. Pamela Gay It's time once again for Astronomy Cast to go on hiatus. You've got a couple months on your own to explore the night sky. But before we say goodbye, we'd like to...
2020-Jun-22 • 32 minutes
Ep. 575: Observing The Moon
Astronomy Cast Ep. 575: Observing The Moon by Fraser Cain & Dr. Pamela Gay As amateur astronomers, we curse the Moon every month. Seriously! Why doesn't someone get rid of that thing! This week, something occurred to us. What if we actually...
2020-Jun-15 • 30 minutes
Ep. 574: Trojan Asteroids
Astronomy Cast Ep. 574: Trojan Asteroids by Fraser Cain & Dr. Pamela Gay We imagine the asteroid belt as a place where all the rocks hang out in the solar system. But there are 2 huge bands of asteroids that orbit the Sun with Jupiter called the...
2020-Jun-08 • 31 minutes
Ep. 573: Exoplanet Atmospheres
Astronomy Cast Ep. 573: Exoplanet Atmospheres Not only have astronomers discovered thousands of exoplanets, but they're even starting to study the atmospheres of worlds thousands of light years away. What can we learn about these other worlds and...
2020-Jun-01 • 30 minutes
Ep. 572: Twists in Planet Formation
Astronomy Cast Ep. 572: Twists in Planet Formation by Fraser Cain & Dr. Pamela Gay We're all looking to the next generation of exoplanetary research where we get planets directly. But astronomers are already making great strides in directly...
2020-May-25 • 31 minutes
Ep. 571: Extreme Binaries
Streamed live on May 22, 2020. So we're familiar with regular binary stars. Two stars orbiting each other. Simple. Of course the Universe has come up with every combination of things orbiting other things, and this week we look at some extreme examples.
2020-May-18 • 31 minutes
Ep. 570: Discovering Comets
Astronomy Cast Ep. 570: Discovering Comets Discovering comets is one of the fields that amateurs can still make a regular contribution to astronomy. But more and more comets are getting found by spacecraft, automated systems and machine learning. This...
2020-May-11 • 27 minutes
Ep. 569: Ethics of Commercial and Military Space, Part 1: Private Space Flight
Every year, more and more people are making their way to space. Some private citizens have already gotten their astronaut wings, paying for a trip to space out of their own pocket. What are the ethical implications of this as the costs of spaceflight...
2020-May-06 • 31 minutes
Ep. 568: In Situ Resource Utilization
The key to surviving in space will be learning how to live off the land. Instead of carrying all your fuel, water and other resources from Earth, extract them locally from your destination. It's called In Situ Resource Utilization, and if we can...
2020-Apr-27 • 32 minutes
Ep. 567: When Satellites Need a House Call
567: When Satellites Need a House Call Astronomy Cast 567: When Satellites Need a House Call by Fraser Cain & Dr. Pamela Gay Space is really far away, so when you send a satellite out into the void, that's pretty much the last you're going to be...
2020-Apr-20 • 30 minutes
Ep. 566: When Comets Fall Apart
566: When Comets Fall Apart Astronomy Cast 566: When Comets Fall Apart by Fraser Cain & Dr. Pamela Gay As everyone knows, the Universe owes us a bright comet. There have been a lot of promising candidates, but in the end, they always fail to live...
2020-Apr-13 • 31 minutes
Ep. 565: When Worlds Collide
565: When Worlds Collide Astronomy Cast 565: When Worlds Collide by Fraser Cain & Dr. Pamela Gay So much of our Solar System has been shaped by enormous collisions early on in our history. Seriously, the nature of every planet in the Solar System...
2020-Apr-06 • 29 minutes
Ep. 564: Mini Moons
564: Mini Moons Astronomy Cast 564: Mini Moons by Fraser Cain & Dr. Pamela Gay Last month astronomers announced that they had detected a tiny asteroid that had been captured by the Earth's gravity well and had been sharing our orbit for a few...
2020-Mar-30 • 33 minutes
Ep. 563: White Dwarf Mergers
563: White Dwarf Mergers Astronomy Cast 563: White Dwarf Mergers by Fraser Cain & Dr. Pamela Gay White dwarfs are usually about 60% the mass of the Sun, so it was a bit of a surprise when astronomers found one that was almost exactly twice that....
2020-Mar-23 • 61 minutes
Ep. 562: Dealing with COVID-19 and the Changes it will Bring
562: Dealing with COVID-19 and the Changes it will Bring Astronomy Cast 562: Dealing with COVID-19 and the Changes it will Bring by Fraser Cain & Dr. Pamela Gay Pamela and Fraser discuss the implications of COVID-19 and it's changes on the world,...
2020-Mar-06 • 33 minutes
Ep. 561: Remembering Katherine Johnson
561: Remembering Katherine Johnson Astronomy Cast 561: Remembering Katherine Johnson by Fraser Cain & Dr. Pamela Gay We lost a bright star here on planet Earth last week. NASA mathematician Katherine Johnson passed away at the age of 101, after an...
2020-Feb-24 • 36 minutes
Ep. 560: Betelgeuse
560: Betelgeuse Astronomy Cast 560: Betelgeuse by Fraser Cain & Dr. Pamela Gay You might be surprised to hear that we've never done an episode of Astronomy Cast featuring Betelgeuse. Well, good news, this is that episode. Let's talk about the...
2020-Feb-17 • 30 minutes
Ep. 559: The Surface of the Sun
559: The Surface of the Sun Astronomy Cast 559: The Surface of the Sun by Fraser Cain & Dr. Pamela Gay A brand new telescope has completed on Maui's Haleakala, and it has just one job: to watch the Sun in unprecedented detail. It's called the...
2020-Feb-10 • 31 minutes
Ep. 558: Supernova SN 2006gy
558: Supernova SN 2006gy Astronomy Cast 558: Supernova SN 2006gy by Fraser Cain & Dr. Pamela Gay We've been following this story for more than a decade, so it's great to finally have an answer to the question, why was supernova 2006gy so insanely...
2020-Feb-03 • 30 minutes
Ep. 557: Red Dwarfs: Friend or Foe
557: Red Dwarfs: Friend or Foe Astronomy Cast 557: Red Dwarfs: Friend or Foe by Fraser Cain & Dr. Pamela Gay On the one hand, red dwarfs are the longest lived stars in the Universe, the perfect place for life to hang out for trillions of years. On...
2020-Jan-27 • 31 minutes
Ep. 556: Multi Messenger Astronomy
556: Multi Messenger Astronomy Astronomy Cast 556: Multi Messenger Astronomy by Fraser Cain & Dr. Pamela Gay For the longest time astronomers could only study the skies with telescopes. But then new techniques and technologies were developed to...
2020-Jan-19 • 29 minutes
Ep. 555: Satellite Constellations and the Future of Astronomy
555: Satellite Constellations and the Future of Astronomy Astronomy Cast 555: Satellite Constellations and the Future of Astronomy by Fraser Cain & Dr. Pamela Gay The other big issue at the AAS was the challenge that astronomy is going to face...
2020-Jan-13 • 30 minutes
Ep. 554: Big Telescope Controversy in Hawai'i
554: Big Telescope Controversy in Hawai'i Astronomy Cast 554: Big Telescope Controversy in Hawai'i by Fraser Cain & Dr. Pamela Gay This week we're live at the American Astronomical Society's 235th meeting in Honolulu, Hawai'i. We learned about new...
2019-Dec-30 • 42 minutes
Ep. 553: What To Look Forward To In 2020
553: What To Look Forward To In 2020 Astronomy Cast 553: What To Look Forward To In 2020 by Fraser Cain & Dr. Pamela Gay It's hard to believe it, but we survived another trip around the Sun. Now it's time to take the whole journey all over again,...
2019-Dec-23 • 45 minutes
Ep. 552: Boyajian's star (and other strange stars)
552: Boyajian's star (and other strange stars) Astronomy Cast 552: Boyajian's star (and other strange stars) by Fraser Cain & Dr. Pamela Gay Huge surveys of the sky are finding more and more planets, stars and galaxies. But they're also turning up...
2019-Dec-20 • 2 minutes
CosmoQuest Hangoutathon Promo
Hi everyone, Producer Susie here. This weekend, December 21-23, 2019, we will be having our CosmoQuest Hangoutathon. For 40 straight hours, our team will be bringing you guests, science and fun live on our channel. We are raising money to pay...
2019-Dec-16 • 28 minutes
Ep. 551: Missing Epochs - Observing before the CMBR
551: Missing Epochs - Observing before the CMBR Astronomy Cast 551: Missing Epochs - Observing before the CMBR by Fraser Cain & Dr. Pamela Gay The Cosmic Microwave Background Radiation is the earliest moment in the Universe that we can see with...
2019-Dec-07 • 29 minutes
Ep. 550: Missing Epochs - Observing the Cosmic Dark Ages
550: Missing Epochs - Observing the Cosmic Dark Ages Astronomy Cast 550: Missing Epochs - Observing the Cosmic Dark Ages by Fraser Cain & Dr. Pamela Gay Powerful observatories like Hubble and the Very Large Telescope have pushed our vision...
2019-Dec-02 • 29 minutes
Ep. 549: Stellar nucleosynthesis revisited: In and on and around dead stars
549: Stellar nucleosynthesis revisited: In and on and around dead stars Astronomy Cast 549: Stellar nucleosynthesis revisited: In and on and around dead stars by Fraser Cain & Dr. Pamela Gay Last week we gave you an update on the formation of...
2019-Nov-25 • 32 minutes
Ep. 548: Stellar nucleosynthesis revisited: In stellar cores & atmospheres
548: Stellar nucleosynthesis revisited: In stellar cores & atmospheres Astronomy Cast 548: Stellar nucleosynthesis revisited: In stellar cores & atmospheres by Fraser Cain & Dr. Pamela Gay The Universe started out with hydrogen and helium...
2019-Nov-18 • 29 minutes
Ep. 547: Why Astronomy Still Needs Humans
547: Why Astronomy Still Needs Humans Astronomy Cast 547: Why Astronomy Still Needs Humans by Fraser Cain & Dr. Pamela Gay Few sciences have been able to take advantage of the power of computers like astronomy. But with all this computing power,...
2019-Nov-11 • 29 minutes
Ep. 546: Weird Issues: Planetary Migration
546: Weird Issues: Planetary Migration Astronomy Cast 546: Weird Issues: Planetary Migration by Fraser Cain & Dr. Pamela Gay Before we discovered other planets, our Solar System seemed like a perfectly reasonable template for everywhere. But now...
2019-Nov-05 • 30 minutes
Ep. 545: Weird Issues: Are comets asteroids or are asteroids comets?
545: Weird Issues: Are comets asteroids or are asteroids comets? Astronomy Cast 545: Weird Issues: Are comets asteroids or are asteroids comets? by Fraser Cain & Dr. Pamela Gay Things used to be so simple. Comets were snowballs from the outer...
2019-Oct-28 • 30 minutes
Ep. 544: Weird Issues: Biosignatures
544: Weird Issues: Biosignatures Astronomy Cast 544: Weird Issues: Biosignatures by Fraser Cain & Dr. Pamela Gay Once again, another place where the Universe is going to make this difficult for us. Proving, once and for all that there's alien...
2019-Oct-21 • 7 minutes
Halley's Meteor Shower and Two spacecraft updates
Got clear skies? Go out tonight and catch the Orionids Meteor shower, a storm of falling stars generated by Halley's comet. Later this week, we'll see aurora like those that will one day be predicted by the ESA Solar Probe. We also have an update on...
2019-Oct-20 • 28 minutes
Ep. 543: Weird Issues: The Habitable Zone
543: Weird Issues: The Habitable Zone Astronomy Cast 543: Weird Issues: The Habitable Zone by Fraser Cain & Dr. Pamela Gay Our series on Universe weirdness marches on. This week we take a look at the habitable zone, and how things aren’t as...
2019-Oct-14 • 30 minutes
Ep. 542: Weird Issues: The Age of the Universe
542: Weird Issues: The Age of the Universe Astronomy Cast 542: Weird Issues: The Age of the Universe by Fraser Cain & Dr. Pamela Gay Our series on Universe weirdness continues, this time we learn how astronomers are struggling to make sense of the...
2019-Oct-07 • 29 minutes
Ep. 541: Weird Issues: Expansion Rate of the Universe
541: Weird Issues: Expansion Rate of the Universe Astronomy Cast 541: Weird Issues: Expansion Rate of the Universe by Fraser Cain & Dr. Pamela Gay Just when the Universe was starting to make sense, the cosmos throws a curveball at us. Astronomers...
2019-Sep-30 • 31 minutes
Ep. 540: Weird Issues: How Do (or Don't) Planets Form?
540: Weird Issues: How Do (or Don't) Planets Form? Astronomy Cast 540: Weird Issues: How Do (or Don't) Planets Form? by Fraser Cain & Dr. Pamela Gay As astronomers started to discover planets orbiting other stars, they immediately realized...
2019-Sep-23 • 30 minutes
Ep. 539: Weird Issues: Why We Don't Know the Age of Saturn's Rings
539: Weird Issues: Why We Don't Know the Age of Saturn's Rings Astronomy Cast 539: Weird Issues: Why We Don't Know the Age of Saturn's Rings by Fraser Cain & Dr. Pamela Gay How old are Saturn's rings? They could be brand new, or they could be as...
2019-Sep-16 • 31 minutes
Ep. 538: Asteroids: Rubble piles of the Solar System
538: Asteroids: Rubble piles of the Solar System Astronomy Cast 538: Asteroids: Rubble piles of the Solar System by Fraser Cain & Dr. Pamela Gay Thanks to all the work from Hayabusa 2 and OSIRIS-REx, astronomers are getting a much better look at...
2019-Sep-09 • 38 minutes
Ep. 537: Reusable Rocket Revolution
537: Reusable Rocket Revolution Astronomy Cast 537: Reusable Rocket Revolution by Fraser Cain & Dr. Pamela Gay We took a hiatus this summer, but SpaceX sure didn’t, with the tests of the Starhopper prototype. Today we’re going to talk about...
2019-Aug-10 • 1 minutes
Libsyn Survey Request
Please help us keep bringing you content by going to and filling out the survey, so Libsyn can find us sponsors for Astronomy Cast!
2019-Jul-01 • 2 minutes
Astronomy Cast on Hiatus until Sept 2019
Astronomy Cast will be on hiatus for July and August. Don't worry, we'll be back in September, and we might just have surprises for you all along this summer! Don't forget you can still catch Pamela with Daily Space, rocket launches and specials on ,...
2019-Jul-01 • 35 minutes
Ep. 536: Everyday Relativity
536: Everyday Relativity Astronomy Cast 536: Everyday Relativity by Fraser Cain & Dr. Pamela Gay Relativity is used in more day to day situations than you may realize. In this episode, we will count (some of) the ways. This episode is brought to...
2019-Jun-24 • 34 minutes
Ep. 535: Astronomy-Related Things To Do This Summer
535: Astronomy-Related Things To Do This Summer Astronomy Cast 535: Astronomy-Related Things To Do This Summer by Fraser Cain & Dr. Pamela Gay It's summertime, and time for our annual Astronomy Cast hiatus. But that doesn't mean that the...
2019-Jun-17 • 34 minutes
Ep. 534: Modern South African Astronomy
534: Modern South African Astronomy Astronomy Cast 534: Modern South African Astronomy by Fraser Cain & Dr. Pamela Gay You know the drill now. Last week we talked about ancient south African astronomy, and so this week we'll talk about the modern...
2019-Jun-10 • 34 minutes
Ep. 533: Indigenous South African Astronomy
533: Indigenous South African Astronomy Astronomy Cast 533: Indigenous South African Astronomy by Fraser Cain & Dr. Pamela Gay Let's move to another continent this week, and look at the astronomy that was going on in southern Africa in ancient times.
2019-Jun-03 • 35 minutes
Ep. 532: Modern Astronomy of Australia
532: Modern Astronomy of Australia Astronomy Cast 532: Modern Astronomy of Australia by Fraser Cain & Dr. Pamela Gay Last week we talked about how well the indigenous Australians followed the night sky. Well, it turns out, Australia is still an...
2019-May-27 • 31 minutes
Ep. 531: Australian Indigenous Astronomy
531: Australian Indigenous Astronomy Astronomy Cast 531: Australian Indigenous Astronomy by Fraser Cain & Dr. Pamela Gay South America, especially the Atacama Desert in Chile has become one of the best places in the world to put a telescope. It's...
2019-May-12 • 31 minutes
Ep. 530: Astronomy of the Andes - Then and Now Pt. 2
530: Astronomy of the Andes - Then and Now Pt. 2 Astronomy Cast 530: Astronomy of the Andes - Then and Now Pt. 2 by Fraser Cain & Dr. Pamela Gay South America, especially the Atacama Desert in Chile has become one of the best places in the world...
2019-May-06 • 29 minutes
Ep. 529: Astronomy of the Andes - Then and Now Pt. 1
529: Astronomy of the Andes - Then and Now Pt. 1 Astronomy Cast 529: Astronomy of the Andes - Then and Now Pt. 1 by Fraser Cain & Dr. Pamela Gay The Andes mountains in South America are a hotspot of astronomy today, but ancient peoples knew it was...
2019-Apr-29 • 35 minutes
Ep. 528: Modern Astronomy of the American Southwest
528: Modern Astronomy of the American Southwest Astronomy Cast 528: Modern Astronomy of the American Southwest by Fraser Cain & Dr. Pamela Gay Last week we talked about the ancient astronomy of the American Southwest. But this is actually Pamela's...
2019-Apr-22 • 34 minutes
Ep. 527: Ancient Astronomy of the American Southwest
527: Ancient Astronomy of the American Southwest Astronomy Cast 527: Ancient Astronomy of the American Southwest by Fraser Cain & Dr. Pamela Gay Ancient peoples had no light pollution, and they knew the night skies very well. In fact, they depends...
2019-Apr-15 • 35 minutes
Ep. 526: Event Horizon Telescope and the Black Hole at M87
526: Event Horizon Telescope and the Black Hole at M87 Astronomy Cast 526: Event Horizon Telescope and the Black Hole at M87 by Fraser Cain & Dr. Pamela Gay Today, of course, we're going to talk about the announcement from the Event Horizon...
2019-Apr-08 • 36 minutes
Ep. 525: 100 Years of the International Astronomical Union
525: 100 Years of the International Astronomical Union Astronomy Cast 525: 100 Years of the International Astronomical Union by Fraser Cain & Dr. Pamela Gay Even though they might be scattered around our planet, astronomers have way to come...
2019-Apr-01 • 34 minutes
Ep. 524: Judging Age & Origins, part 3 - Beyond Our System
524: Judging Age & Origins, part 3 - Beyond Our System Astronomy Cast 524: Judging Age & Origins, part 3 - Beyond Our System by Fraser Cain & Dr. Pamela Gay We learned how to figure out the ages of objects in the Solar System, now we push...
2019-Mar-25 • 33 minutes
Ep. 523: Judging Age & Origins, Pt. 2 Across the Solar System
523: Judging Age & Origins, Pt. 2 Across the Solar System Astronomy Cast 523: Judging Age & Origins, Pt. 2 Across the Solar System by Fraser Cain & Dr. Pamela Gay Today we push our aging curiosity out into the Solar System to ask that...
2019-Mar-18 • 32 minutes
Ep. 522: Judging Age & Origins, part 1 - Earth Rocks
522: Judging Age & Origins, part 1 - Earth Rocks Astronomy Cast 522: Judging Age & Origins, part 1 - Earth Rocks by Fraser Cain & Dr. Pamela Gay People always want to know how old everything is. And more specifically, they want to know how...
2019-Mar-17 • 21 minutes
Bonus Episode: Dust with Dr. Paul Sutter
Bonus: Dust with Dr. Paul Sutter Astronomy Cast Bonus: Dust with Dr. Paul Sutter by Fraser Cain & Dr. Pamela Gay Recorded during the Astrotour to Costa Rica, Fraser talks to Dr. Paul Matt Sutter about the nature of dust and BICEP 2's claim of...
2019-Mar-11 • 34 minutes
Ep. 521: The Deep Space Network
521: The Deep Space Network Astronomy Cast 521: The Deep Space Network by Fraser Cain & Dr. Pamela Gay We always focus on the missions, but there's an important glue that holds the whole system together. The Deep Space Network. Today we're going...
2019-Mar-01 • 32 minutes
Ep. 520: Transients: What They Are and Why They Matter, Part 2
520: Transients: What They Are and Why They Matter, Part 2 Astronomy Cast 520: Transients: What They Are and Why They Matter, Part 2 by Fraser Cain & Dr. Pamela Gay
2019-Feb-25 • 30 minutes
Ep. 519: Transients: What They Are and Why They Matter
519: Transients: What They Are and Why They Matter Astronomy Cast 519: Transients: What They Are and Why They Matter by Fraser Cain & Dr. Pamela Gay
2019-Feb-18 • 30 minutes
Ep. 518: When the Universe tried to Declare War
518: When the Universe tried to Declare War Astronomy Cast 518: When the Universe tried to Declare War by Fraser Cain & Dr. Pamela Gay
2019-Feb-11 • 30 minutes
Ep. 517: Fritz Zwicky and the Zwicky Transient Facility
517: Fritz Zwicky and the Zwicky Transient Facility Astronomy Cast 517: Fritz Zwicky and the Zwicky Transient Facility by Fraser Cain & Dr. Pamela Gay
2019-Feb-04 • 29 minutes
Ep. 516: Polar Vortices
516: Polar Vortices Astronomy Cast 516: Polar Vortices by Fraser Cain & Dr. Pamela Gay
2019-Jan-28 • 30 minutes
Ep. 515: Space Radiation
515: Space Radiation Astronomy Cast 515: Space Radiation by Fraser Cain & Dr. Pamela Gay
2019-Jan-21 • 31 minutes
Ep. 514: Planetary Protection Protocols
514: Planetary Protection Protocols Astronomy Cast 514: Planetary Protection Protocols by Fraser Cain & Dr. Pamela Gay
2019-Jan-14 • 32 minutes
Ep. 513: Stellar Fusion
513: Stellar Fusion Astronomy Cast 513: Stellar Fusion by Fraser Cain & Dr. Pamela Gay
2019-Jan-07 • 29 minutes
Ep. 512: Direct Imaging of Exoplanets
512: Direct Imaging of Exoplanets Astronomy Cast 512: Direct Imaging of Exoplanets by Fraser Cain & Dr. Pamela Gay
2018-Dec-31 • 34 minutes
Ep. 511: Predictions for 2019
511: Predictions for 2019 Astronomy Cast 511: Predictions for 2019 by Fraser Cain & Dr. Pamela Gay
2018-Dec-24 • 42 minutes
Ep. 510: 2018 - Year in Review
510: 2018 - Year in Review Astronomy Cast 510: 2018 - Year in Review by Fraser Cain & Dr. Pamela Gay
2018-Dec-10 • 29 minutes
Ep. 509: Fiction to Fact: 3D Printers
509: Fiction to Fact: 3D Printers Astronomy Cast 509: Fiction to Fact: 3D Printers by Fraser Cain & Dr. Pamela Gay
2018-Dec-03 • 31 minutes
Ep. 508: 2018 Holiday Gift Guide
508: 2018 Holiday Gift Guide Astronomy Cast 508: 2018 Holiday Gift Guide by Fraser Cain & Dr. Pamela Gay
2018-Nov-27 • 32 minutes
507: From Fiction to Fact: Ion Drive
507: From Fiction to Fact: Ion Drive Astronomy Cast 507: > From Fiction to Fact: Ion Drive by Fraser Cain & Dr. Pamela Gay
2018-Nov-17 • 30 minutes
506: It’s not Aliens, Unless it’s Aliens
506: It’s not Aliens, Unless it’s Aliens Astronomy Cast 506: It’s not Aliens, Unless it’s Aliens by Fraser Cain & Dr. Pamela Gay
2018-Nov-11 • 28 minutes
505: Seismology
505: Seismology Astronomy Cast 505: Seismology by Fraser Cain & Dr. Pamela Gay
2018-Nov-04 • 27 minutes
504: Radar, Lidar & Sonar
504: Radar, Lidar & Sonar Astronomy Cast 504: Radar, Lidar & Sonar by Fraser Cain & Dr. Pamela Gay
2018-Oct-29 • 25 minutes
503: Gravity Mapping
503: Gravity Mapping Astronomy Cast 503: Gravity Mapping by Fraser Cain & Dr. Pamela Gay
2018-Oct-22 • 27 minutes
502: No Touching: Determining Composition of Worlds Remotely
502: No Touching: Determining Composition of Worlds Remotely Astronomy Cast 502: No Touching: Determining Composition of Worlds Remotely by Fraser Cain & Dr. Pamela Gay
2018-Oct-10 • 31 minutes
501: Water Worlds Revisited
501: Water Worlds Revisited Astronomy Cast 501: Water Worlds Revisited by Fraser Cain & Dr. Pamela Gay
2018-Sep-18 • 66 minutes
500: Live Celebration!
500: Live Celebration! Astronomy Cast 500: Live Celebration! by Fraser Cain & Dr. Pamela Gay
2018-Sep-10 • 32 minutes
499: What is the proposed Hubble-Lemaitre Law?
499: What is the proposed Hubble-Lemaitre Law? Astronomy Cast 499: What is the proposed Hubble-Lemaitre Law? by Fraser Cain & Dr. Pamela Gay
2018-Jul-01 • 2 minutes
Astronomy Cast: On Hiatus until September 2018
Astronomy Cast will be on hiatus until September, 2018. When we return, we'll be gearing up for the 500th Episode!
2018-Jul-01 • 29 minutes
498: Dwarf Galaxy Update
498: Dwarf Galaxy Update Astronomy Cast 498: Dwarf Galaxy Update by Fraser Cain & Dr. Pamela Gay
2018-Jun-25 • 31 minutes
497: Update on Globular Clusters
497: Update on Globular Clusters Astronomy Cast 497: Update on Globular Clusters by Fraser Cain & Dr. Pamela Gay
2018-Jun-18 • 31 minutes
496: Update on Stellar Populations (I, II, & III)
496: Update on Stellar Populations (I, II, & III) Astronomy Cast 496: Update on Stellar Populations (I, II, & III) by Fraser Cain & Dr. Pamela Gay
2018-Jun-11 • 31 minutes
495: Update on Asteroids & Prospects of Asteroid Mining
495: Update on Asteroids & Prospects of Asteroid Mining Astronomy Cast 495: Update on Asteroids & Prospects of Asteroid Mining by Fraser Cain & Dr. Pamela Gay
2018-Jun-04 • 27 minutes
494: Icy Moons Update 2018
494: Icy Moons Update 2018 Astronomy Cast 494: Icy Moons Update 2018 by Fraser Cain & Dr. Pamela Gay
2018-May-27 • 29 minutes
493: Mars Update 2018
493: Mars Update 2018 Astronomy Cast 493: Mars Update 2018 by Fraser Cain & Dr. Pamela Gay
2018-May-21 • 30 minutes
492: Comets, Asteroids and KBO’s
492: Comets, Asteroids and KBO’s Astronomy Cast 492: Comets, Asteroids and KBO’s by Fraser Cain & Dr. Pamela Gay
2018-May-14 • 31 minutes
491: Exoplanet Update 2018
491: Exoplanet Update 2018 Astronomy Cast 491: Exoplanet Update 2018 by Fraser Cain & Dr. Pamela Gay
2018-May-07 • 26 minutes
490: What’s New with Supernovae
490: What’s New with Supernovae Astronomy Cast 490: What’s New with Supernovae by Fraser Cain & Dr. Pamela Gay
2018-Apr-30 • 31 minutes
489: Black Hole Update
489: Black Hole Update Astronomy Cast 489: Black Hole Update by Fraser Cain & Dr. Pamela Gay
2018-Apr-24 • 27 minutes
488: Dark Energy: 2018 Edition
488: Dark Energy: 2018 Edition Astronomy Cast 488: Dark Energy: 2018 Edition by Fraser Cain & Dr. Pamela Gay
2018-Apr-16 • 31 minutes
487: Dark Matter: 2018 Edition
487: Dark Matter: 2018 Edition Astronomy Cast 487: Dark Matter: 2018 Edition by Fraser Cain & Dr. Pamela Gay
2018-Apr-09 • 27 minutes
486: Particle Physics Update
486: Particle Physics Update Astronomy Cast 486: Particle Physics Update by Fraser Cain & Dr. Pamela Gay
2018-Mar-30 • 28 minutes
485: Docking, Refueling, and Transferring
485: Docking, Refueling, and Transferring Astronomy Cast 485: Docking, Refueling, and Transferring by Fraser Cain & Dr. Pamela Gay
2018-Mar-26 • 28 minutes
484: Transfer Orbits and Gravitational Assists
484: Transfer Orbits and Gravitational Assists Astronomy Cast 484: Transfer Orbits and Gravitational Assists by Fraser Cain & Dr. Pamela Gay
2018-Mar-19 • 28 minutes
483: Stopping in Space
483: Stopping in Space Astronomy Cast 483: Stopping in Space by Fraser Cain & Dr. Pamela Gay
2018-Mar-12 • 28 minutes
482: Alternative Ways to Space
482: Alternative Ways to Space Astronomy Cast 482: Alternative Ways to Space by Fraser Cain & Dr. Pamela Gay
2018-Mar-05 • 29 minutes
481: Rockets pt. 3 – Going Faster, Higher, Farther after Fairing Separation
481: Rockets pt. 3 – Going Faster, Higher, Farther after Fairing Separation Astronomy Cast 481: Rockets pt. 3 – Going Faster, Higher, Farther after Fairing Separation by Fraser Cain & Dr. Pamela Gay
2018-Feb-27 • 50 minutes
February Q&A
This was a special Q&A episode Pamela recorded while Fraser was in Iceland.
2018-Feb-26 • 31 minutes
480: Rockets pt. 2- Multi-stage Boosters
480: Rockets pt. 2- Multi-stage Boosters Astronomy Cast 480: Rockets pt. 2- Multi-stage Boosters by Fraser Cain & Dr. Pamela Gay
2018-Feb-19 • 27 minutes
479: Rockets pt. 1- What Does “Single Stage To Orbit” Really Mean?
479: Rockets pt. 1- What Does “Single Stage To Orbit” Really Mean? Astronomy Cast 479: Rockets pt. 1- What Does “Single Stage To Orbit” Really Mean? by Fraser Cain & Dr. Pamela Gay
2018-Feb-13 • 34 minutes
478: Apollo 8 with Paul Hildebrandt
478: Apollo 8 with Paul Hildebrandt Astronomy Cast 478: Apollo 8 with Paul Hildebrandt by Fraser Cain & Dr. Pamela Gay
2018-Feb-05 • 31 minutes
477: State of Exploration: Once and Future Moon
477: State of Exploration: Once and Future Moon Astronomy Cast 477: State of Exploration: Once and Future Moon by Fraser Cain & Dr. Pamela Gay
2018-Jan-29 • 30 minutes
476: The Overview Effect
476: The Overview Effect Astronomy Cast 476: The Overview Effect by Fraser Cain & Dr. Pamela Gay
2018-Jan-23 • 30 minutes
475: Fast Radio Bursts
475: Fast Radio Bursts Astronomy Cast 475: Fast Radio Bursts by Fraser Cain & Dr. Pamela Gay
2018-Jan-15 • 33 minutes
474: Predictions for 2018
474: Predictions for 2018 Astronomy Cast 474: Predictions for 2018 by Fraser Cain & Dr. Pamela Gay
2018-Jan-08 • 30 minutes
473: Remembering the Best Space Science of 2017
473: Remembering the Best Space Science of 2017 Astronomy Cast 473: Remembering the Best Space Science of 2017 by Fraser Cain & Dr. Pamela Gay
2017-Dec-31 • 28 minutes
472: Best Modern Sci Fi for the Science Lover – Part 4: Bioscience
472: Best Modern Sci Fi for the Science Lover – Part 4: Bioscience Astronomy Cast 472: Best Modern Sci Fi for the Science Lover – Part 4: Bioscience by Fraser Cain & Dr. Pamela Gay
2017-Dec-27 • 27 minutes
471: Best Modern Sci Fi for the Science Lover – Part 3: Human Computer Relations
471: Best Modern Sci Fi for the Science Lover – Part 3: Human Computer Relations Astronomy Cast 471: Best Modern Sci Fi for the Science Lover – Part 3: Human Computer Relations by Fraser Cain & Dr. Pamela Gay
2017-Dec-19 • 28 minutes
470: Best Modern Sci Fi for the Science Lover – Part 2: 3D Printing
470: Best Modern Sci Fi for the Science Lover – Part 2: 3D Printing Astronomy Cast 470: Best Modern Sci Fi for the Science Lover – Part 2: 3D Printing by Fraser Cain & Dr. Pamela Gay
2017-Dec-11 • 31 minutes
469: Best Modern Sci Fi for the Science Lover – Part 1 Space Exploration
469: Best Modern Sci Fi for the Science Lover – Part 1 Space Exploration Astronomy Cast 469: Best Modern Sci Fi for the Science Lover – Part 1 Space Exploration by Fraser Cain & Dr. Pamela Gay
2017-Dec-04 • 30 minutes
468: Simulations for Science and Fun
468: Simulations for Science and Fun Astronomy Cast 468: Simulations for Science and Fun by Fraser Cain & Dr. Pamela Gay
2017-Nov-27 • 30 minutes
467: Resonance
467: Resonance Astronomy Cast 467: Resonance by Fraser Cain & Dr. Pamela Gay
2017-Nov-20 • 29 minutes
466: Origins of Zero (0)
466: Origins of Zero (0) Astronomy Cast 466: Origins of Zero (0) by Fraser Cain & Dr. Pamela Gay
2017-Nov-10 • 29 minutes
465: Exploiting Interfering Light
465: Exploiting Interfering Light Astronomy Cast 465: Exploiting Interfering Light by Fraser Cain & Dr. Pamela Gay
2017-Nov-06 • 28 minutes
464: Why the Hype over an Exorock?
464: Why the Hype over an Exorock? Astronomy Cast 464: Why the Hype over an Exorock? by Fraser Cain & Dr. Pamela Gay
2017-Oct-30 • 25 minutes
463: Pareidolia and the Moon
463: Pareidolia and the Moon Astronomy Cast 463: Pareidolia and the Moon by Fraser Cain & Dr. Pamela Gay
2017-Oct-23 • 29 minutes
462: Modeling the Weather
462: Modeling the Weather Astronomy Cast 462: Modeling the Weather by Fraser Cain & Dr. Pamela Gay
2017-Oct-16 • 30 minutes
461: Measuring the Weather with Satellites
461: Measuring the Weather with Satellites Astronomy Cast 461: Measuring the Weather with Satellites by Fraser Cain & Dr. Pamela Gay
2017-Oct-09 • 31 minutes
460: Earth from Afar: Remote Sensing
460: Earth from Afar: Remote Sensing Astronomy Cast 460: Earth from Afar: Remote Sensing by Fraser Cain & Dr. Pamela Gay
2017-Oct-02 • 30 minutes
459: Arecibo Observatory
459: Arecibo Observatory Astronomy Cast 459: Arecibo Observatory by Fraser Cain & Dr. Pamela Gay
2017-Sep-25 • 33 minutes
458: The Science of Cassini
458: The Science of Cassini Astronomy Cast 458: The Science of Cassini by Fraser Cain & Dr. Pamela Gay
2017-Sep-18 • 29 minutes
457: Why Did Cassini Have To Die? In Memoriam
457: Why Did Cassini Have To Die? In Memoriam Astronomy Cast 457: Why Did Cassini Have To Die? In Memoriam by Fraser Cain & Dr. Pamela Gay
2017-Sep-11 • 34 minutes
456: Pluto Revisited
456: Pluto Revisited Astronomy Cast 456: Pluto Revisited by Fraser Cain & Dr. Pamela Gay
2017-Aug-28 • 32 minutes
455: Your Practical Guide to Colonizing the Milky Way!
455: Your Practical Guide to Colonizing the Milky Way! Astronomy Cast 455: Your Practical Guide to Colonizing the Milky Way! by Fraser Cain & Dr. Pamela Gay
2017-Aug-19 • 31 minutes
Astronomy Cast Extra! Solar Eclipse 101
Pamela and Fraser talk about solar eclipse basics at their Solar Eclipse Escape event in Saint Louis on August 19th. What to do, and (perhaps more importantly) what NOT to do is covered!
2017-Jun-19 • 35 minutes
454: Things We’re Looking Forward To
454: Things We’re Looking Forward To Astronomy Cast 454: Things We’re Looking Forward To by Fraser Cain & Dr. Pamela Gay
2017-Jun-11 • 34 minutes
453: Favorite Things We’ve Done These 10 Years
453: Favorite Things We’ve Done These 10 Years Astronomy Cast 453: Favorite Things We’ve Done These 10 Years by Fraser Cain & Dr. Pamela Gay
2017-Jun-05 • 30 minutes
452: Summer Observing Challenges
452: Summer Observing Challenges Astronomy Cast 452: Summer Observing Challenges by Fraser Cain & Dr. Pamela Gay
2017-May-28 • 27 minutes
451: When Can I Buy My Ticket To Space?
451: When Can I Buy My Ticket To Space? Astronomy Cast 451: When Can I Buy My Ticket To Space? by Fraser Cain & Dr. Pamela Gay
2017-May-23 • 28 minutes
450: Inflatable Habitats
450: Inflatable Habitats Astronomy Cast 450: Inflatable Habitats by Fraser Cain & Dr. Pamela Gay
2017-May-08 • 27 minutes
449: Robots in Space!
449: Robots in Space! Astronomy Cast 449: Robots in Space! by Fraser Cain & Dr. Pamela Gay
2017-May-01 • 29 minutes
448: Prepping for the Eclipse
448: Prepping for the Eclipse Astronomy Cast 448: Prepping for the Eclipse by Fraser Cain & Dr. Pamela Gay
2017-Apr-25 • 29 minutes
447: Animals in Space Pt. 3: Dogs, Monkeys and More
447: Animals in Space Pt. 3: Dogs, Monkeys and More Astronomy Cast 447: Animals in Space Pt. 3: Dogs, Monkeys and More by Fraser Cain & Dr. Pamela Gay
2017-Apr-17 • 31 minutes
446: Animals in Space Pt. 2: Mice and Other Small Animals
446: Animals in Space Pt. 2: Mice and Other Small Animals Astronomy Cast 446: Animals in Space Pt. 2: Mice and Other Small Animals by Fraser Cain & Dr. Pamela Gay
2017-Apr-10 • 28 minutes
445: Animals in Space Pt. 1: Insects and Arachnids
445: Animals in Space Pt. 1: Insects and Arachnids Astronomy Cast 445: Animals in Space Pt. 1: Insects and Arachnids by Fraser Cain & Dr. Pamela Gay
2017-Apr-03 • 28 minutes
444: Fractals
444: Fractals Astronomy Cast 444: Fractals by Fraser Cain & Dr. Pamela Gay
2017-Mar-13 • 30 minutes
443: Destroy and Rebuild Pt. 7: Tsunamis
443: Destroy and Rebuild Pt. 7: Tsunamis Astronomy Cast 443: Destroy and Rebuild Pt. 7: Tsunamis by Fraser Cain & Dr. Pamela Gay
2017-Mar-03 • 29 minutes
442: Destroy and Rebuild Pt. 6: Magnetic Pole Reversal
442: Destroy and Rebuild Pt. 6: Magnetic Pole Reversal Astronomy Cast 442: Destroy and Rebuild Pt. 6: Magnetic Pole Reversal by Fraser Cain & Dr. Pamela Gay
2017-Mar-03 • 26 minutes
441: Destroy and Rebuild, Pt. 5: Continental Drift
441: Destroy and Rebuild, Pt. 5: Continental Drift Astronomy Cast 441: Destroy and Rebuild, Pt. 5: Continental Drift by Fraser Cain & Dr. Pamela Gay
2017-Feb-18 • 32 minutes
440: Destroy and Rebuild, Pt. 4: Supervolcanoes!
440: Destroy and Rebuild, Pt. 4: Supervolcanoes! Astronomy Cast 440: Destroy and Rebuild, Pt. 4: Supervolcanoes! by Fraser Cain & Dr. Pamela Gay
2017-Feb-14 • 31 minutes
439: Destroy and Rebuild, Pt. 3: How Do We Terraform Earth?
439: Destroy and Rebuild, Pt. 3: How Do We Terraform Earth? Astronomy Cast 439: Destroy and Rebuild, Pt. 3: How Do We Terraform Earth? by Fraser Cain & Dr. Pamela Gay
2017-Feb-05 • 32 minutes
438: Destroy and Rebuild, Pt. 2: Geoengineering
438: Destroy and Rebuild, Pt. 2: Geoengineering Astronomy Cast 438: Destroy and Rebuild, Pt. 2: Geoengineering by Fraser Cain & Dr. Pamela Gay
2017-Jan-30 • 30 minutes
437: Destroy and Rebuild, Pt. 1: The Torino Scale
437: Destroy and Rebuild, Pt. 1: The Torino Scale Astronomy Cast 437: Destroy and Rebuild, Pt. 1: The Torino Scale by Fraser Cain & Dr. Pamela Gay
2017-Jan-24 • 13 minutes
436 Bonus: Moon Cheeziness
436 Bonus: Moon Cheeziness Astronomy Cast 436 Bonus: Moon Cheeziness by Fraser Cain & Dr. Pamela Gay
2017-Jan-23 • 32 minutes
436: Common Misconceptions in Probability
436: Common Misconceptions in Probability Astronomy Cast 436: Common Misconceptions in Probability by Fraser Cain & Dr. Pamela Gay
2017-Jan-15 • 28 minutes
435: The Butterfly Effect
435: The Butterfly Effect Astronomy Cast 435: The Butterfly Effect by Fraser Cain & Dr. Pamela Gay
2017-Jan-08 • 28 minutes
434: Am I On An Alien World?
434: Am I On An Alien World? Astronomy Cast 434: Am I On An Alien World? by Fraser Cain & Dr. Pamela Gay
2017-Jan-03 • 28 minutes
433: Volcanoes on Mars
433: Volcanoes on Mars Astronomy Cast 433: Volcanoes on Mars by Fraser Cain & Dr. Pamela Gay
2016-Dec-26 • 31 minutes
432: Geologic Ages of Mars – From Wet and Wild to Desolate Desert
432: Geologic Ages of Mars – From Wet and Wild to Desolate Desert Astronomy Cast 432: Geologic Ages of Mars – From Wet and Wild to Desolate Desert by Fraser Cain & Dr. Pamela Gay
2016-Dec-08 • 31 minutes
431: The Search for Life on Mars
431: The Search for Life on Mars Astronomy Cast 431: The Search for Life on Mars by Fraser Cain & Dr. Pamela Gay
2016-Dec-08 • 31 minutes
430: Coming Home from Mars
430: Coming Home from Mars Astronomy Cast 430: Coming Home from Mars by Fraser Cain & Dr. Pamela Gay
2016-Nov-26 • 28 minutes
429: Living on Mars
429: Living on Mars Astronomy Cast 429: Living on Mars by Fraser Cain & Dr. Pamela Gay
2016-Nov-24 • 31 minutes
428: The Moons of Mars
428: The Moons of Mars Astronomy Cast 428: The Moons of Mars by Fraser Cain & Dr. Pamela Gay
2016-Nov-07 • 31 minutes
427: Click Bait vs Clear Science
427: Click Bait vs Clear Science Astronomy Cast 427: Click Bait vs Clear Science by Fraser Cain & Dr. Pamela Gay
2016-Oct-29 • 35 minutes
426: Confirmation Bias
426: Confirmation Bias Astronomy Cast 426: Confirmation Bias by Fraser Cain & Dr. Pamela Gay
2016-Oct-20 • 28 minutes
425: Naming Spacecraft
425: Naming Spacecraft Astronomy Cast 425: Naming Spacecraft by Fraser Cain & Dr. Pamela Gay
2016-Oct-17 • 30 minutes
424: Lightning
424: Lightning Astronomy Cast 424: Lightning by Fraser Cain & Dr. Pamela Gay
2016-Oct-10 • 30 minutes
423: Cyclones
423: Cyclones Astronomy Cast 423: Cyclones by Fraser Cain & Dr. Pamela Gay
2016-Oct-01 • 33 minutes
422: Geysers
Astronomy Cast 422: Geysers by Fraser Cain & Dr. Pamela Gay
2016-Sep-28 • 31 minutes
421: Space Games!
Astronomy Cast 421: Space Games! by Fraser Cain & Dr. Pamela Gay
2016-Sep-19 • 32 minutes
420: FIRE!
Astronomy Cast 420: FIRE! by Fraser Cain & Dr. Pamela Gay
2016-Sep-15 • 67 minutes
419: DragonCon 2016 Live: Rocket Girls
AstronomyCast 419: DragonCon 2016 Live: Rocket Girls by Fraser Cain & Dr. Pamela Gay
2016-Jun-27 • 32 minutes
418: I'm a Teapot
AstronomyCast 418: I'm a Teapot by Fraser Cain & Dr. Pamela Gay
2016-Jun-26 • 32 minutes
417: Expectation: Failed
AstronomyCast 417: Expectation: Failed by Fraser Cain & Dr. Pamela Gay
2016-Jun-13 • 31 minutes
416: Fireballs from Space
AstronomyCast 416: Fireballs from Space by Fraser Cain & Dr. Pamela Gay
2016-Jun-01 • 34 minutes
415: The Temperature of the Universe
AstronomyCast 415: The Temperature of the Universe by Fraser Cain & Dr. Pamela Gay
2016-May-26 • 29 minutes
414: Navigating Far
AstronomyCast 414: Navigating Far by Fraser Cain & Dr. Pamela Gay
2016-May-17 • 30 minutes
413: Navigating Near
AstronomyCast 413: Navigating Near by Fraser Cain & Dr. Pamela Gay
2016-May-01 • 25 minutes
412: The Color of the Universe
AstronomyCast 412: The Color of the Universe by Fraser Cain & Dr. Pamela Gay
2016-Apr-25 • 31 minutes
411: The Science of Sunset Colors
AstronomyCast 411: The Science of Sunset Colors by Fraser Cain & Dr. Pamela Gay
2016-Apr-18 • 34 minutes
410: Planet Nine - Facts & Fiction
AstronomyCast 410: Planet Nine - Facts & Fiction by Fraser Cain & Dr. Pamela Gay
2016-Apr-11 • 33 minutes
409: Spin in the Solar System
AstronomyCast 409: Spin in the Solar System by Fraser Cain & Dr. Pamela Gay
2016-Apr-04 • 30 minutes
408: Universal Cannibalism
AstronomyCast 408: Universal Cannibalism by Fraser Cain & Dr. Pamela Gay
2016-Mar-30 • 28 minutes
407: Galactic Cannibalism
AstronomyCast 407: Galactic Cannibalism by Fraser Cain & Dr. Pamela Gay
2016-Mar-14 • 30 minutes
406: Stellar Cannibalism
AstronomyCast 406: Stellar Cannibalism by Fraser Cain & Dr. Pamela Gay
2016-Mar-07 • 30 minutes
405: Method Not Found
AstronomyCast 405: Method Not Found by Fraser Cain & Dr. Pamela Gay
2016-Mar-01 • 32 minutes
404: What We Know, What We Don't Know, & What We Can't Know
AstronomyCast 404: What We Know, What We Don't Know, & What We Can't Know by Fraser Cain & Dr. Pamela Gay
2016-Feb-22 • 36 minutes
403: Funding Big Science
AstronomyCast 403: Funding Big Science by Fraser Cain & Dr. Pamela Gay
2016-Feb-15 • 32 minutes
402: Gravity Eyes - See the Invisible with the Force
AstronomyCast 402: Gravity Eyes - See the Invisible with the Force by Fraser Cain & Dr. Pamela Gay
2016-Feb-08 • 40 minutes
401: Future Predictions
AstronomyCast 401: Future Predictions by Fraser Cain & Dr. Pamela Gay
2016-Feb-01 • 39 minutes
400: The State of the Universe
AstronomyCast 400: The State of the Universe, by Fraser Cain & Dr. Pamela Gay
2016-Jan-18
399: Women in Science
AstronomyCast 399: Women in Science by Fraser Cain & Dr. Pamela Gay
2016-Jan-11 • 29 minutes
398: Seeing Things
AstronomyCast 398: Seeing Things by Fraser Cain & Dr. Pamela Gay
2015-Dec-22 • 31 minutes
397: Why is There Something and Not Nothing?
AstronomyCast 397: Why is There Something and Not Nothing? by Fraser Cain & Dr. Pamela Gay
2015-Dec-15 • 32 minutes
396: Family Astronomy for the Holidays
AstronomyCast 396: Family Astronomy for the Holidays by Fraser Cain & Dr. Pamela Gay
2015-Dec-07 • 35 minutes
395: Baryons & Beyond the Standard Model
AstronomyCast 395: Baryons & Beyond the Standard Model by Fraser Cain & Dr. Pamela Gay
2015-Nov-30 • 33 minutes
394: Bosons
AstronomyCast 394: Bosons by Fraser Cain & Dr. Pamela Gay
2015-Nov-23 • 31 minutes
393: The Standard Model - Leptons & Quarks
AstronomyCast 393: The Standard Model - Leptons & Quarks by Fraser Cain & Dr. Pamela Gay
2015-Nov-16 • 32 minutes
392: The Standard Model
AstronomyCast 392: The Standard Model by Fraser Cain & Dr. Pamela Gay
2015-Nov-09 • 29 minutes
391: Entropy
AstronomyCast 391: Entropy by Fraser Cain & Dr. Pamela Gay
2015-Nov-09 • 26 minutes
390: Occam's Razor & the Problem with Probabilities
AstronomyCast 390: Occam's Razor & the Problem with Probabilities by Fraser Cain & Dr. Pamela Gay
2015-Oct-29 • 32 minutes
388: Megastructures
AstronomyCast 388: Megastructures by Fraser Cain & Dr. Pamela Gay
2015-Oct-28 • 36 minutes
389: Roundtable with Paul M. Sutter
AstronomyCast 389: Roundtable with Paul M. Sutter by Fraser Cain & Dr. Pamela Gay
2015-Oct-20 • 29 minutes
387: Water on Mars (Again)
AstronomyCast 387: Water on Mars (Again) by Fraser Cain & Dr. Pamela Gay
2015-Oct-13 • 32 minutes
386: Orbiting Observers
AstronomyCast 386: Orbiting Observers by Fraser Cain & Dr. Pamela Gay
2015-Sep-30 • 38 minutes
385: Rovers on the Run
AstronomyCast 385: Rovers on the Run by Fraser Cain & Dr. Pamela Gay
2015-Sep-27 • 32 minutes
384: Escaping Probes
AstronomyCast 384: Escaping Probes, by Fraser Cain & Dr. Pamela Gay
2015-Jul-07 • 33 minutes
383: Approaches to Absolute Zero
AstronomyCast 383: Approaches to Absolute Zero by Fraser Cain & Dr. Pamela Gay
2015-Jul-06 • 28 minutes
382: Degenerate Matter
AstronomyCast 382: Degenerate Matter by Fraser Cain & Dr. Pamela Gay
2015-Jun-19 • 30 minutes
381: Hollowing Asteroids
AstronomyCast 381: Hollowing Asteroids by Fraser Cain & Dr. Pamela Gay
2015-Jun-15 • 31 minutes
380: The Limits of Optics
AstronomyCast 380: The Limits of Optics by Fraser Cain & Dr. Pamela Gay
2015-Jun-13 • 29 minutes
379: Fermi's Atom Splitting
AstronomyCast 379: Fermi's Atom Splitting by Fraser Cain & Dr. Pamela Gay
2015-Jun-08 • 31 minutes
378: Rutherford Atoms
AstronomyCast 378: Rutherford Atoms, by Fraser Cain & Dr. Pamela Gay
2015-Jun-04 • 27 minutes
377: Thomson Finds the Electron
AstronomyCast 377: Thomson Finds the Electron by Fraser Cain & Dr. Pamela Gay
2015-May-25 • 30 minutes
376: The Miller-Urey Experiment
AstronomyCast 376: The Miller-Urey Experiment by Fraser Cain & Dr. Pamela Gay
2015-May-13 • 39 minutes
375: The Search for Life in the Solar System, with Morgan Rehnberg
375: The Search for Life in the Solar System, with Morgan Rehnberg
2015-Apr-27 • 30 minutes
374: The Stern-Gerlach Experiment
AstronomyCast 374: The Stern-Gerlach Experiment by Fraser Cain & Dr. Pamela Gay
2015-Apr-15 • 28 minutes
373: The Becquerel Experiment
AstronomyCast 373: The Becquerel Experiment by Fraser Cain & Dr. Pamela Gay
2015-Apr-06 • 28 minutes
372: The Millikan Oil Drop Experiment
AstronomyCast 372: The Millikan Oil Drop Experiment by Fraser Cain & Dr. Pamela Gay
2015-Apr-05 • 29 minutes
371: The Eddington Eclipse Experiment
AstronomyCast 371: The Eddington Eclipse Experiment by Fraser Cain & Dr. Pamela Gay
2015-Mar-25 • 31 minutes
370: Kaufmann Bucherer Neumann Experiments
AstronomyCast 370: Kaufmann Bucherer Neumann Experiments by Fraser Cain & Dr. Pamela Gay
2015-Mar-19 • 32 minutes
369: The Fizeau Experiment
AstronomyCast 369: The Fizeau Experiment by Fraser Cain & Dr. Pamela Gay
2015-Feb-23 • 30 minutes
368: Searching for the Ether Wind (The Michelson–Morley Experiment)
AstronomyCast 368: Searching for the Ether Wind (The Michelson–Morley Experiment) by Fraser Cain & Dr. Pamela Gay
2015-Feb-19 • 33 minutes
367: Spitzer Does Exoplanets
AstronomyCast 367: Spitzer Does Exoplanets by Fraser Cain & Dr. Pamela Gay
2015-Feb-06 • 30 minutes
366: HARPS
AstronomyCast 366: HARPS by Fraser Cain & Dr. Pamela Gay
2015-Jan-27 • 31 minutes
365: Gaia
AstronomyCast 365: Gaia by Fraser Cain & Dr. Pamela Gay
2015-Jan-19 • 29 minutes
364: COROT
AstronomyCast 364: COROT by Fraser Cain & Dr. Pamela Gay
2015-Jan-19 • 30 minutes
363: Where Did Earth's Water Come From?
AstronomyCast 363: Where Did Earth's Water Come From? by Fraser Cain & Dr. Pamela Gay
2015-Jan-05 • 31 minutes
362: Carolyn Porco
AstronomyCast 362: Carolyn Porco by Fraser Cain & Dr. Pamela Gay
2014-Dec-29 • 29 minutes
361: Maria Zuber
AstronomyCast 361: Maria Zuber by Fraser Cain & Dr. Pamela Gay
2014-Dec-17 • 27 minutes
360: Jocelyn Bell Burnell
AstronomyCast 360: Jocelyn Bell Burnell by Fraser Cain & Dr. Pamela Gay
2014-Dec-08 • 30 minutes
359: Margaret Geller
AstronomyCast 359: Margaret Geller by Fraser Cain & Dr. Pamela Gay
2014-Dec-08 • 28 minutes
358: Sandra Faber
AstronomyCast 358: Sandra Faber by Fraser Cain & Dr. Pamela Gay
2014-Nov-24 • 32 minutes
357: Vera Rubin
AstronomyCast 357: Vera Rubin by Fraser Cain & Dr. Pamela Gay
2014-Nov-21 • 32 minutes
356: Inertia
AstronomyCast 356: Inertia by Fraser Cain & Dr. Pamela Gay
2014-Nov-14 • 25 minutes
355: 3D Printing Exploration
AstronomyCast 355: 3D Printing Exploration by Fraser Cain & Dr. Pamela Gay
2014-Nov-10 • 31 minutes
354: Comet Siding Spring vs. Mars
AstronomyCast: 354: Comet Siding Spring vs. Mars by Fraser Cain & Dr. Pamela Gay
2014-Oct-06 • 26 minutes
353: Seasons and Saturn
AstronomyCast 353: Seasons and Saturn by Fraser Cain & Dr. Pamela Gay
2014-Sep-30 • 28 minutes
352: Water, Water Everywhere
AstronomyCast 352: Water, Water Everywhere by Fraser Cain & Dr. Pamela Gay
2014-Sep-28 • 66 minutes
Live from DragonCon 2014
AstronomyCast Live from DragonCon 2014 by Fraser Cain & Dr. Pamela Gay
2014-Sep-22 • 32 minutes
351: Asteroid Adventures
AstronomyCast 351: Asteroid Adventures by Fraser Cain & Dr. Pamela Gay
2014-Jul-13 • 30 minutes
350: Spaceship One
AstronomyCast 350: SpaceShip One by Fraser Cain & Dr. Pamela Gay
2014-Jul-10 • 33 minutes
349: Mercury 7 Astronauts
AstronomyCast 349: Mercury 7 Astronauts by Fraser Cain & Dr. Pamela Gay
2014-Jun-17 • 31 minutes
348: 2 Independence Square, the NASA Headquarters
AstronomyCast 348: 2 Independence Square, the NASA Headquarters by Fraser Cain & Dr. Pamela Gay
2014-Jun-09 • 39 minutes
Live from Balticon
AstronomyCast: Live from Balticon, with P.G. Holyfield by Dr. Pamela Gay
2014-May-22 • 29 minutes
346: Area 51
AstronomyCast 346: Area 51 by Fraser Cain & Dr. Pamela Gay
2014-May-13 • 28 minutes
345: Launch Complex 39
AstronomyCast 345: Launch Complex 39 by Fraser Cain & Dr. Pamela Gay
2014-May-05 • 35 minutes
344: Saturn's Rings
AstronomyCast 344: Saturn's Rings by Fraser Cain & Dr. Pamela Gay
2014-May-03 • 70 minutes
343: The Universe is Trying to Kill You
AstronomyCast 343: The Universe is Trying to Kill You by Fraser Cain & Dr. Pamela Gay
2014-Apr-15 • 33 minutes
342: Sunsetting Spacecraft
AstronomyCast 342: Sunsetting Spacecraft by Fraser Cain & Dr. Pamela Gay
2014-Apr-09 • 30 minutes
341: The 45th Lunar and Planetary Society Conference, with Alessondra Springmann
AstronomyCast 341: The 45th Lunar and Planetary Society Conference, with Alessondra Springmann by Fraser Cain & Dr. Pamela Gay
2014-Apr-01 • 30 minutes
340: Warner von Braum
AstronomyCast 340: Warner von Braum by Fraser Cain & Dr. Pamela Gay
2014-Mar-26 • 34 minutes
339: Space Conspiracy Theories
AstronomyCast 339: Space Conspiracy Theories by Fraser Cain & Dr. Pamela Gay
2014-Mar-20 • 28 minutes
338: Copernicus
AstronomyCast 338: Copernicus by Fraser Cain & Dr. Pamela Gay
2014-Mar-11 • 31 minutes
337: Photometry
AstronomyCast 337: Photometry by Fraser Cain & Dr. Pamela Gay
2014-Mar-04 • 28 minutes
336: Units of Measure
AstronomyCast 336: Units of Measure by Fraser Cain & Dr. Pamela Gay
2014-Feb-24 • 30 minutes
335: The Photoelectric Effect
AstronomyCast 335: The Photoelectric Effect by Fraser Cain & Dr. Pamela Gay
2014-Feb-17 • 32 minutes
334: Chelyabinsk, One Year Later
AstronomyCast 334: Chelyabinsk, One Year Later by Fraser Cain & Dr. Pamela Gay
2014-Feb-09 • 31 minutes
333: When Worlds Collide
AstronomyCast 333: When Worlds Collide by Fraser Cain & Dr. Pamela Gay
2014-Feb-06 • 30 minutes
332: Stellar Collisions
AstronomyCast 332: Stellar Collisions by Fraser Cain & Dr. Pamela Gay
2014-Jan-27 • 33 minutes
331: Arthur C. Clarke's Ideas and Technology
AstronomyCast 331: Arthur C. Clarke's Ideas and Technology by Fraser Cain & Dr. Pamela Gay
2014-Jan-20 • 29 minutes
330: Arthur C. Clarke
AstronomyCast 330: Arthur C. Clarke by Fraser Cain & Dr. Pamela Gay
2014-Jan-13 • 29 minutes
329: Telescope Making, Pt. 3
329: Telescope Making, Pt. 3 by Fraser Cain & Dr. Pamela Gay
2014-Jan-06 • 31 minutes
328: Telescope Making, Pt. 2
AstronomyCast 328: Telescope Making, Pt. 2 by Fraser Cain & Dr. Pamela Gay
2013-Dec-30 • 32 minutes
327: Telescope Making, Pt. 1
AstronomyCast 327: Telescope Making, Pt. 1 by Fraser Cain & Dr. Pamela Gay
2013-Dec-23 • 28 minutes
326: Atmospheric Dust
AstronomyCast 326: Atmospheric Dust by Fraser Cain & Dr. Pamela Gay
2013-Dec-17 • 31 minutes
325: Cold Fusion
AstronomyCast 325: Cold Fusion by Fraser Cain & Dr. Pamela Gay
2013-Dec-08 • 28 minutes
324: Sun Grazers
AstronomyCast 324: Sun Grazers by Fraser Cain & Dr. Pamela Gay
2013-Dec-03 • 31 minutes
323: Isotopes
AstronomyCast 323: Isotopes by Fraser Cain & Dr. Pamela Gay
2013-Nov-20 • 26 minutes
322: SOHO
AstronomyCast 322: SOHO by Fraser Cain & Dr. Pamela Gay
2013-Nov-19 • 29 minutes
321: Solar Flares
AstronomyCast 321: Solar Flares by Fraser Cain & Dr. Pamela Gay
2013-Nov-11 • 30 minutes
320: Layers of the Sun
AstronomyCast 320: Layers of the Sun by Fraser Cain & Dr. Pamela Gay
2013-Nov-04 • 27 minutes
319: The Zodiac
AstronomyCast 319: The Zodiac by Fraser Cain & Dr. Pamela Gay
2013-Oct-28 • 28 minutes
318: Escape Velocity
AstronomyCast 318: Escape Velocity by Fraser Cain & Dr. Pamela Gay
2013-Oct-23 • 30 minutes
317: Observatories
AstronomyCast 317: Observatories by Fraser Cain & Dr. Pamela Gay
2013-Oct-14 • 31 minutes
316: Observational vs. Experimental Science
AstronomyCast 316: Observational Vs. Experimental Science by Fraser Cain & Dr. Pamela Gay
2013-Oct-07 • 33 minutes
315: Particle Accelerators
Who knew that destruction could be so informative? Only by smashing particles together with more and more energy, can we truly tease out the fundamental forces of nature. Join us to discover the different kinds of accelerators (both natural and...
2013-Sep-09 • 27 minutes
314: Acceleration
AstronomyCast 314: Acceleration by Fraser Cain & Dr. Pamela Gay
2013-Sep-08 • 26 minutes
313: Precession
AstronomyCast 313: Precession by Fraser Cain & Dr. Pamela Gay
2013-Aug-06 • 27 minutes
312: The Inverse Square Law & Other Strangeness
AstronomyCast 312: The Inverse Square Law & Other Strangeness by Fraser Cain & Dr. Pamela Gay
2013-Jul-29 • 24 minutes
311: Sound
AstronomyCast 311: Sound by Fraser Cain & Dr. Pamela Gay
2013-Jul-23 • 34 minutes
AstronomyCast 309: Creating a Science-y Society
AstronomyCast 309: Creating a Science-y Society by Fraser Cain & Dr. Pamela Gay
2013-Jul-18 • 34 minutes
308: Climate Change
AstronomyCast 308: Climate Change by Fraser Cain & Dr. Pamela Gay
2013-Jul-14 • 31 minutes
307: The Pacific Ring of Fire
AstronomyCast 307: The Pacific Ring of Fire by Fraser Cain & Dr. Pamela Gay
2013-Jul-10 • 28 minutes
306: Accretion Discs
AstronomyCast 306: Accretion Discs by Fraser Cain & Dr. Pamela Gay
2013-Jul-01 • 34 minutes
305: The Spacecraft That Wouldn't Die
AstronomyCast 305: The Spacecraft That Wouldn't Die by Fraser Cain & Dr. Pamela Gay
2013-Jun-25 • 31 minutes
304: Death of a Spacecraft
AstronomyCast 304: Death of a Spacecraft by Fraser Cain & Dr. Pamela Gay
2013-Jun-22 • 29 minutes
303: Equilibrium
AstronomyCast 303: Equilibrium by Fraser Cain & Dr. Pamela Gay
2013-Jun-22 • 30 minutes
302: Planetary Motion in the Sky
AstronomyCast 302: Planetary Motion in the Sky by Fraser Cain & Dr. Pamela Gay
2013-May-19 • 28 minutes
Ep. 301: Planetary Migration
AstronomyCast 301: Planetary Migration by Fraser Cain & Dr. Pamela Gay
2013-May-19 • 31 minutes
Ep. 295: The Observable Universe
AstronomyCast 295: The Observable Universe by Fraser Cain & Dr. Pamela Gay
2013-May-19 • 34 minutes
Ep. 300: What We've Learned in Almost 7 Years
AstronomyCast 300: What We've Learned in Almost 7 Years by Fraser Cain & Dr. Pamela Gay
2013-May-18 • 34 minutes
Ep. 299: Space Stations, Pt. 4: Future Space Stations
AstronomyCast 299: Space Stations, Pt. 4: Future Space Stations by Fraser Cain & Dr. Pamela Gay
2013-May-18 • 35 minutes
Ep. 298: Space Stations, Pt. 3: The International Space Station
AstronomyCast 298: Space Stations, Pt. 3: The International Space Station by Fraser Cain & Dr. Pamela Gay
2013-May-15 • 33 minutes
Ep. 297: Space Stations, Pt. 2: Mir
AstronomyCast297: Space Stations, Pt. 2: Mir, by Fraser Cain & Dr. Pamela Gay
2013-May-14 • 29 minutes
Ep. 296: Spacestations, pt. 1
AstronomyCast 296: Spacestations, pt. 1, by Fraser Cain & Dr. Pamela Gay
2013-May-04 • 65 minutes
Weekly Space Hangout - May 3rd, 2013
2013-Apr-18 • 31 minutes
Ep. 294: Arecibo Observatory
AstronomyCast 294: Arecibo Observatory, by Fraser Cain & Dr. Pamela Gay
2013-Apr-03 • 32 minutes
Ep. 293: Earthquakes
AstronomyCast 293: Earthquakes, by Fraser Cain & Dr. Pamela Gay
2013-Mar-25 • 27 minutes
Ep. 292: The Oort Cloud
AstronomyCast 292: The Oort Cloud, by Fraser Cain & Dr. Pamela Gay
2013-Mar-19 • 28 minutes
Ep. 291: Shockwaves
AstronomyCast 291: Shockwaves, by Fraser Cain & Dr. Pamela Gay
2013-Mar-18 • 29 minutes
Ep. 290: Failed Stars
AstronomyCast 290: Failed Stars, by Fraser Cain & Dr. Pamela Gay
2013-Mar-12 • 28 minutes
Ep. 289: Cherenkov Radiation
AstronomyCast 289: Cherenkov Radiation, by Fraser Cain & Dr. Pamela Gay
2013-Feb-26 • 31 minutes
Ep. 288: Phases of Matter
AstronomyCast 288: Phases of Matter, by Fraser Cain & Dr. Pamela Gay
2013-Feb-18 • 31 minutes
Ep. 287: E = mc2
AstronomyCast 287: E = mc2, by Fraser Cain & Dr. Pamela Gay
2013-Feb-16 • 51 minutes
Weekly Space Hangout Feb 15, 2013
2013-Feb-13 • 27 minutes
Ep. 283: Stellar Motion
AstronomyCast 283: Stellar Motion, by Fraser Cain & Dr. Pamela Gay
2013-Feb-13 • 42 minutes
Ep. 286: How to Debunk and End-of-the-World Myth
AstronomyCast 286: How to Debunk and End-of-the-World Myth, by Fraser Cain & Dr. Pamela Gay
2013-Feb-11 • 29 minutes
Ep. 285: How the World Will Really End
AstronomyCast 285: How the World Will Really End, by Fraser Cain & Dr. Pamela Gay
2013-Feb-08 • 45 minutes
Weekly Space Hangout Feb 8, 2013
2013-Feb-04 • 33 minutes
Weekly Space Hangout Feb 1, 2013
2013-Jan-25 • 46 minutes
Weekly Space Hangout - Jan 25 2013
2013-Jan-25 • 49 minutes
Weekly Space Hangout - Jan 18, 2013
2013-Jan-19 • 27 minutes
Ep. 284: Optics
AstronomyCast 284: Optics, by Fraser Cain & Dr. Pamela Gay
2013-Jan-08 • 31 minutes
Ep. 282: Seasons
AstronomyCast 282: Seasons, by Fraser Cain & Dr. Pamela Gay
2012-Dec-13 • 32 minutes
Ep. 281: Explosions in Space
AstroCast 281: Explosions in Space, by Fraser Cain & Dr. Pamela Gay
2012-Dec-11 • 31 minutes
Ep. 280: The Cosmological Constant
AstronomyCast 280: The Cosmological Constant, by Fraser Cain & Dr. Pamela Gay
2012-Dec-04 • 28 minutes
Ep. 279: The Hubble Constant
AstronomyCast 279: The Hubble Constant, by Fraser Cain & Dr. Pamela Gay
2012-Nov-13 • 30 minutes
Ep. 278: Animals in Space
AstronomyCast 278: Animals in Space, by Fraser Cain & Dr. Pamela Gay
2012-Nov-06 • 33 minutes
Ep. 277: Orbit
AstronomyCast 277: Orbit, by Fraser Cain & Dr. Pamela Gay
2012-Oct-30 • 27 minutes
Ep. 276: XMM Newton
AstronomyCast 276: XMM Newton, by Fraser Cain & Dr. Pamela Gay
2012-Oct-27 • 38 minutes
Weekly Space Hangout-Oct 25, 2012
2012-Oct-25 • 1 minutes
Mobile App: Phases of the Moon
Universe Today needs your help. Support the site and enrich your life at the same time by buying our mobile app: Phases of the Moon, for both Android and iPhone. The app is only $.99 in the store or .
2012-Oct-16 • 32 minutes
Ep. 275: Isaac Newton, Pt. 1
AstronomyCast 275: Isaac Newton, Pt. 1, by Fraser Cain & Dr. Pamela Gay
2012-Oct-15 • 28 minutes
Ep. 274: The Asteroid Vesta
AstronomyCast 274: The Asteroid Vesta, by Fraser Cain & Dr. Pamela Gay
2012-Oct-08 • 32 minutes
AstronomyCast 273: Solutions to the Fermi Paradox
AstronomyCast 273: Solutions to the Fermi Paradox, by Fraser Cain & Dr. Pamela Gay
2012-Oct-04 • 35 minutes
Weekly Space Hangout - Oct 4, 2012
2012-Oct-01 • 48 minutes
Weekly Space Hangout Sep 27, 2012
2012-Oct-01 • 50 minutes
Weekly Space Hangout Sep 20, 2012
2012-Oct-01 • 32 minutes
AstronomyCast 272: Abiogenesis
AstronomyCast 272: Abiogenesis, by Fraser Cain & Dr. Pamela Gay
2012-Sep-18 • 32 minutes
AstronomyCast 271: Who Does What in Space & Astronomy?
AstronomyCast 271: Who Does What in Space & Astronomy? by Fraser Cain & Dr. Pamela Gay
2012-Sep-17 • 52 minutes
Weekly Space Hangout - Sep. 13, 2012
2012-Sep-11 • 52 minutes
AstronomyCast: Live from DragonCon 2012
AstronomyCast: Live from DragonCon 2012, by Fraser Cain & Dr. Pamela Gay
2012-Sep-09 • 30 minutes
AstronomyCast 270: Inertia
AstronomyCast 270: Inertia, by Fraser Cain & Dr. Pamela Gay
2012-Jul-31 • 2 minutes
Live coverage of the Curiosity Landing on August 5th, 2012
2012-Jul-31 • 1 minutes
Astronomy Cast on Hiatus for the Summer
We'll be back for with a live show at Dragon*Con 2012 at the Labor Day Weekend.
2012-Jul-16 • 30 minutes
AstronomyCast 269: Mass
AstronomyCast 269: Mass, by Fraser Cain & Dr. Pamela Gay
2012-Jul-12 • 42 minutes
Weekly Space Hangout - July 12, 2012
This week we talk about the new moon discovered orbiting Pluto (P5), New Horizons doing science in it's sleep, a southern polar vortex on Titan, and Pluto moon orbits, et cetera. We are joined by Robert Nemiroff, Jason Major, Alan Boyle, Michael Wall,...
2012-Jul-10 • 29 minutes
AstronomyCast 268: Energy
AstronomyCast 268: Energy, by Fraser Cain & Dr. Pamela Gay
2012-Jul-08 • 36 minutes
AstronomyCast 267: Infinities
AstronomyCast 267: Infinities, by Fraser Cain & Dr. Pamela Gay
2012-Jul-05 • 41 minutes
Weekly Space Hangout - July 5, 2012
2012-Jun-28 • 46 minutes
Weekly Space Hangout - June 28, 2012
2012-Jun-26 • 33 minutes
Ep. 266: Archimedes
It's time to look deep into history to the birthplace of modern mathematics - Ancient Greece. And the most famous mathematician of the time was Archimedes. We use many of his mathematical theories and inventions to this day; others are steeped in...
2012-Jun-24 • 35 minutes
265: Arthur Eddington
We can thank Arthur Eddington for much of our current understanding of stars. He provided some of the breakthrough concepts that explain what's going on, deep inside the hottest places in the Universe. Sadly, the spacecraft associated with his name...
2012-Jun-22 • 48 minutes
Weekly Space Hangout - June 21, 2012
This week we talk about: Black Holes as particle detectors, New advances in Chinese space exploration, Asteroid research, History of women in space. We're joined by Amy Shira Teitel, Alan Boyle, Ian O'Neill, and Michael Wall. Hosted by Fraser Cain
2012-Jun-22 • 48 minutes
Weekly Space Hangout - June 14, 2012
This week we talk about: Lakes on Titan, Mars Curiosity landing, Earth-type worlds more common, NuSTAR Mission launch. We are joined by Amy Shira Teitel, Emily Lakdawalla, and Nicole Gugliucci
2012-Jun-20 • 31 minutes
AstronomyCast 264: The Hazards of Space Flight
AstronomyCast 264: The Hazards of Space Flight, by Fraser Cain & Dr. Pamela Gay
2012-Jun-14 • 33 minutes
AstronomyCast 263: Radioactive Decay
AstronomyCast 263: Radioactive Decay, by Fraser Cain & Dr. Pamela Gay
2012-Jun-14 • 31 minutes
AstronomyCast 262: Solar Sails
AstronomyCast 262: Solar Sails, by Fraser Cain & Dr. Pamela Gay
2012-Jun-07 • 50 minutes
Weekly Space Hangout - June 7, 2012
In this week's Weekly Space Hangout, we talk about the Transit of Venus, the transfer of the space shuttle Enterprise, the future of commercial space exploration, and the new movie Prometheus. We're joined by Alan Boyle...
2012-Jun-05 • 30 minutes
AstronomyCast 261: Lasers & Masers in Astronomy
AstronomyCast 261: Lasers & Masers in Astronomy, by Fraser Cain & Dr. Pamela Gay
2012-May-31 • 54 minutes
Weekly Space Hangout - May 31, 2012
In this episode of the Weekly Space Hangout, we're joined by special guest Robert Nemiroff from Astronomy Picture of the Day. We also talked about the return of the SpaceX Dragon capsule, a manned mission to Venus, nomadic planets and the announcement...
2012-May-28 • 32 minutes
AstronomyCast 260: Lasers & Masers
AstronomyCast 260: Lasers & Masers, by Fraser Cain & Dr. Pamela Gay
2012-May-23 • 45 minutes
Weekly Space Hangout - May 17, 2012
Sorry for the lack of a Hangout last week, we had massive internet fail in Fraser's home city. This week, we talk about: Building a real starship Enterprise, preparations for the annular solar eclipse, investigation into the Gaia theory, fuel for...
2012-May-07 • 32 minutes
AstronomyCast 259: The Exploration of Venus
AstronomyCast 259: The Exploration of Venus, by Fraser Cain & Dr. Pamela Gay
2012-May-04 • 35 minutes
AstronomyCast 258: Viking Landers
AstronomyCast 258: Viking Landers, by Fraser Cain & Dr. Pamela Gay
2012-May-04 • 61 minutes
Weekly Space Hangout - May 3, 2012
In this episode we talked about asteroid mining, SpaceX delays, Shuttle retirement, killer black holes, supermassive planets (aka brown dwarfs), Enceladus/Dione flybys, and missions to Jupiter.
2012-Apr-06 • 28 minutes
AstronomyCast 257: Viking Orbiter
AstronomyCast 257: Viking Orbiter, by Fraser Cain & Dr. Pamela Gay
2012-Mar-14 • 32 minutes
AstronomyCast 256: Resolution
AstronomyCast 256: Resolution, by Fraser Cain & Dr. Pamela Gay
2012-Mar-09 • 30 minutes
AstronomyCast 254: Reflection & Refraction
AstronomyCast 254: Reflection & Refraction, by Fraser Cain & Dr. Pamela Gay
2012-Mar-08 • 52 minutes
Weekly Space Hangout - Mar. 8, 2012
In this episode of the Weekly Space Hangout, we talk about two different asteroid close passes, the solar storms buffeting the Earth, a recent space exploration conference, and a team of amateur astronomers flashing the space station. We're also...
2012-Mar-08 • 31 minutes
AstronomyCast 255: Observing Hydrogen
AstronomyCast 255: Observing Hydrogen, by Fraser Cain & Dr. Pamela Gay
2012-Mar-02 • 39 minutes
Weekly Space Hangout - Mar. 1, 2012
Another week, another space roundup. This week we talk about the redefinition of the term "Earthlike", salty soil on Mars, how you can participate in SETI, asteroid dust from Hayabusa, and the dangers of a warp drive.
2012-Feb-26 • 27 minutes
AstronomyCast 253: Rayleigh Scattering
AstronomyCast 253: Rayleigh Scattering, by Fraser Cain & Dr. Pamela Gay
2012-Feb-24 • 57 minutes
Weekly Space Hangout - Feb. 23, 2012
2012-Feb-16 • 65 minutes
Weekly Space Hangout - Feb. 16, 2012
2012-Feb-14 • 28 minutes
AstronomyCast 251: Messier Objects
AstronomyCast 251: Messier Objects, by Fraser Cain & Dr. Pamela Gay
2012-Feb-13 • 63 minutes
Weekly Space Hangout - Feb. 9, 2012
2012-Feb-13 • 53 minutes
Weekly Space Hangout - Feb. 2, 2012
2012-Feb-13 • 27 minutes
AstronomyCast 252: Heisenberg's Uncertainty Principle
AstronomyCast 252: Heisenberg's Uncertainty Principle, by Fraser Cain & Dr. Pamela Gay
2012-Feb-09 • 31 minutes
AstronomyCast 250: Precision
AstronomyCast 250: Precision, by Fraser Cain & Dr. Pamela Gay
2012-Feb-01 • 28 minutes
AstronomyCast 249: Schrödinger's cat
AstronomyCast 249: Schrödinger's cat, by Fraser Cain & Dr. Pamela Gay
2012-Jan-31 • 25 minutes
AstronomyCast 248: The Carina Constellation
AstronomyCast 248: The Carina Constellation, by Fraser Cain & Dr. Pamela Gay
2012-Jan-26 • 61 minutes
Weekly Space Hangout - Jan. 26, 2012
Another edition of our weekly space hangout. This week we talked about a week of space remembrance, solar storms, Newt's plans for a 2020 lunar base, arsenic and old news, black holes and their galaxies and the death of Phobos-Grunt.
2012-Jan-23 • 29 minutes
AstronomyCast 247: The Ages of Things
AstronomyCast 247: The Ages of Things, by Fraser Cain & Dr. Pamela Gay
2012-Jan-20 • 30 minutes
AstronomyCast 246: What If Something Was Different
AstronomyCast 246: What If Something Was Different, by Fraser Cain & Dr. Pamela Gay
2012-Jan-09 • 28 minutes
AstronomyCast 245: Calendars
AstronomyCast 245: Calendars, by Fraser Cain & Dr. Pamela Gay
2011-Dec-22 • 56 minutes
Discovery of Earth-Sized Planets - Google+ Hangout
This is a Google+ Hangout we did to discuss the announcement of Earth-sized planets discovered by NASA's Kepler mission. Moderated by Fraser Cain from Universe Today/Astronomy Cast, with Nancy Atkinson from Universe Today, Dr. Phil Plait from Bad...
2011-Dec-20 • 30 minutes
AstronomyCast 244: Io
AstronomyCast 244: Io, by Fraser Cain & Dr. Pamela Gay
2011-Dec-19 • 29 minutes
AstronomyCast 243: The Tunguska Event
AstronomyCast 243: The Tunguska Event, by Fraser Cain & Dr. Pamela Gay
2011-Dec-04 • 28 minutes
AstronomyCast 242: The Turino Scale
AstronomyCast 242: The Turino Scale, by Fraser Cain & Dr. Pamela Gay
2011-Dec-01 • 30 minutes
AstronomyCast 241: Astrophotography | Pt. 3: Image Processing
AstronomyCast 241: Astrophotography | Pt. 3: Image Processing by Fraser Cain & Dr. Pamela Gay
2011-Nov-27 • 37 minutes
AstronomyCast 240: Astrophotography | Pt. 2: Techniques
AstronomyCast 240: Astrophotography | Pt. 2: Techniques, by Fraser Cain & Dr. Pamela Gay
2011-Nov-19 • 29 minutes
AstronomyCast 239: Astrophotography | Pt. 1: The Gear
AstronomyCast 239: Astrophotography | Pt. 1: The Gear, by Fraser Cain & Dr. Pamela Gay
2011-Nov-08 • 31 minutes
AstronomyCast 238: Solar Activity
AstronomyCast 238: Solar Activity, by Fraser Cain & Dr. Pamela Gay
2011-Nov-01 • 27 minutes
AstronomyCast 237: Spooky Space Sounds
AstronomyCast 237: Spooky Space Sounds, by Fraser Cain & Dr. Pamela Gay
2011-Oct-24 • 31 minutes
AstronomyCast 236: Einstein Was Right
AstronomyCast 236: Einstein Was Right, by Fraser Cain & Dr. Pamela Gay
2011-Oct-17 • 33 minutes
AstronomyCast 235: Einstein
AstronomyCast 235: Einstein, by Fraser Cain & Dr. Pamela Gay
2011-Oct-10 • 29 minutes
AstronomyCast 234: Lunar Phases
AstronomyCast 234: Lunar Phases, by Fraser Cain & Dr. Pamela Gay
2011-Oct-04 • 26 minutes
AstronomyCast 233: Radar
AstronomyCast 233: Radar, by Fraser Cain & Dr. Pamela Gay
2011-Sep-29 • 29 minutes
AstronomyCast 232: Galileo Spacecraft
AstronomyCast 232: Galileo Spacecraft, by Fraser Cain & Dr. Pamela Gay
2011-Sep-26 • 58 minutes
AstronomyCast: Live at Dragon*Con
AstronomyCast: Live at Dragon*Con, by Fraser Cain & Dr. Pamela Gay
2011-Sep-01 • 29 minutes
AstronomyCast 231: Galileo Galilei
AstronomyCast 231: Galileo Galilei, by Fraser Cain & Dr. Pamela Gay
2011-Aug-31 • 25 minutes
AstronomyCast 230: Christiaan Huygens
AstronomyCast 230: Christiaan Huygens, by Fraser Cain & Dr. Pamela Gay
2011-Aug-28 • 33 minutes
AstronomyCast 229: The Cassini Mission
AstronomyCast 229: The Cassini Mission, by Fraser Cain & Dr. Pamela Gay
2011-Jul-27 • 25 minutes
AstronomyCast 228: Giovanni Cassini, Pt. 1
AstronomyCast 228: Giovanni Cassini, Pt. 1, by Fraser Cain & Dr. Pamela Gay
2011-Jul-25 • 29 minutes
AstronomyCast 227: The Big Dipper
AstronomyCast 227: The Big Dipper, by Fraser Cain & Dr. Pamela Gay
2011-Jul-21 • 29 minutes
AstronomyCast 226: Weather
AstronomyCast 226: Weather, by Fraser Cain & Dr. Pamela Gay
2011-Jul-16 • 27 minutes
AstronomyCast 225: Ice in Space
AstronomyCast 225: Ice in Space, by Fraser Cain & Dr. Pamela Gay
2011-Jun-26 • 29 minutes
AstronomyCast 224: Orion
AstronomyCast 224: Orion, by Fraser Cain & Dr. Pamela Gay
2011-Jun-22 • 28 minutes
AstronomyCast 223: The Transit of Venus
AstronomyCast 223: The Transit of Venus, by Fraser Cain & Dr. Pamela Gay
2011-May-26 • 29 minutes
AstronomyCast 222: The Decadal Survey
AstronomyCast 222: The Decadal Survey, by Fraser Cain & Dr. Pamela Gay
2011-May-12 • 30 minutes
AstronomyCast 221: Geomorphology
AstronomyCast 221: Geomorphology, by Fraser Cain & Dr. Pamela Gay
2011-Apr-10 • 31 minutes
AstronomyCast 220: Mass Extinction Events
AstronomyCast 220: Mass Extinction Events
2011-Apr-01 • 35 minutes
AstronomyCast 219: The Planck Mission
AstronomyCast 219: The Planck Mission, by Fraser Cain & Dr. Pamela Gay
2011-Apr-01 • 32 minutes
AstronomyCast 217: Stellar Classification
AstronomyCast 217: Stellar Classification, by Fraser Cain & Dr. Pamela Gay
2011-Mar-29 • 32 minutes
AstronomyCast 218: Max Planck Pt. 1
AstronomyCast 218: Max Planck Pt. 1, by Fraser Cain and Dr. Pamela Gay
2011-Mar-03 • 35 minutes
AstrnomyCast 216: Archeo-Astronomy
AstrnomyCast 216: Archeo-Astronomy, by Fraser Cain & Dr. Pamela Gay
2011-Mar-01 • 33 minutes
AstronomyCast 215: Light Echoes
AstronomyCast 215: Light Echoes, by Fraser Cain & Dr. Pamela Gay
2011-Feb-26 • 34 minutes
AstronomyCast 214: Space Tourism
AstronomyCast 214: Space Tourism, by Fraser Cain & Dr. Pamela Gay
2011-Feb-09 • 38 minutes
AstronomyCast 213: Supermassive Black Holes
AstronomyCast 213: Supermassive Black Holes
2011-Feb-02 • 32 minutes
AstronomyCast 212: GPS Navigation
AstronomyCast 212: GPS Navigation, by Fraser Cain & Dr. Pamela Gay
2011-Jan-01 • 35 minutes
AstronomyCast 211: Celestial Navigation
AstronomyCast 211: Celestial Navigation
2010-Dec-29 • 33 minutes
AstronomyCast 210: The Mars Exploration Rovers: Spirit & Opportunity
AstronomyCast 210: The Mars Exploration Rovers: Spirit & Opportunity
2010-Dec-13 • 39 minutes
AstronomyCast 209: Exotic Life
AstronomyCast 209: Exotic Life
2010-Nov-22 • 35 minutes
AstronomyCast 208: The Spitzer Space Telescope
AstronomyCast 208: The Spitzer Space Telescope
2010-Nov-19 • 28 minutes
AstroCast 207: Lyman Spitzer
AstroCast 207: Lyman Spitzer
2010-Nov-13 • 34 minutes
AstronomyCast 206: Fission
AstronomyCast 206: Fission
2010-Nov-09 • 40 minutes
AstronomyCast 205: Fusion
AstronomyCast 205: Fusion
2010-Oct-25 • 29 minutes
AstronomyCast 204: Temperature
AstronomyCast 204: Temperature
2010-Oct-19 • 36 minutes
AstronomyCast 203: Europa
AstronomyCast 203: Europa
2010-Oct-11 • 35 minutes
AstronomyCast 202: The Planets at Gliese 581
AstronomyCast 202: The Planets at Gliese 581
2010-Oct-04 • 31 minutes
AstronomyCast 201: Titan
AstronomyCast 201: Titan
2010-Sep-27 • 35 minutes
AstronomyCast 200: The Mariner Program
AstronomyCast 200: The Mariner Program
2010-Sep-20 • 41 minutes
AstronomyCast 199: The Voyager Program
AstronomyCast 199: The Voyager Program
2010-Sep-16 • 35 minutes
AstronomyCast 198: How is a Space Mission Chosen?
AstronomyCast 198: How is a Space Mission Chosen?
2010-Sep-13 • 33 minutes
AstronomyCast 196: Luminosity & Magnitude
AstronomyCast 196: Luminosity & Magnitude
2010-Sep-08 • 58 minutes
Astronomy Cast 197: Live from Dragon*Con 2010
2010-Aug-03 • 31 minutes
AstronomyCast 195: Planetary Rings
AstronomyCast 195: Planetary Rings by Fraser Cain & Dr. Pamela Gay
2010-Jul-30 • 30 minutes
AstronomyCast 194: Dwarf Planets
AstronomyCast 194: Dwarf Planets
2010-Jul-06 • 36 minutes
AstronomyCast 193: Astronomy with the Unaided Eye
AstronomyCast 193: Astronomy with the Unaided Eye
2010-Jun-29 • 30 minutes
AstronomyCast 192: The Chandra X-Ray Observatory
AstronomyCast 192: The Chandra X-Ray Observatory
2010-Jun-29 • 31 minutes
AstronomyCast 191: Chandrasekhar
AstronomyCast 191: Chandrasekhar
2010-Jun-29 • 32 minutes
AstronomyCast 190: The Kepler Mission
AstronomyCast 190: The Kepler Mission
2010-Jun-29 • 34 minutes
AstronomyCast 189: Johannes Kepler and His Laws
AstronomyCast 189: Johannes Kepler and His Laws
2010-Jun-14 • 36 minutes
AstronomyCast 188: The Future of Astronomy
AstronomyCast 188: The Future of Astronomy
2010-Jun-14 • 31 minutes
AstronomyCast 187: The History of Astronomy | Pt. 5, The 20th Century
AstronomyCast 187: The History of Astronomy | Pt. 5, The 20th Century
2010-May-27 • 31 minutes
AstronomyCast 186: History of Astronomy | Pt. 4, Beginning of Modern Astronomy
AstronomyCast 186: History of Astronomy | Pt. 4, Beginning of Modern Astronomy
2010-May-25 • 1 minutes
Audible Ad: AstroCast 185
2010-May-25 • 35 minutes
AstronomyCast 185: History of Astronomy | Pt. 3, The Renaissance
AstronomyCast 185: History of Astronomy | Pt. 3, The Renaissance
2010-May-07 • 35 minutes
AstronomyCast 184: History of Astronomy | Pt. 2, The Greeks
AstronomyCast 184: History of Astronomy | Pt. 2, The Greeks
2010-May-07 • 35 minutes
AstronomyCast 183: History of Astronomy | Pt. 1, The Ancient Astronomers
AstronomyCast 183: History of Astronomy | Pt. 1, The Ancient Astronomers
2010-Apr-28 • 31 minutes
AstronomyCast 182: Astrometry
AstronomyCast 182: Astrometry
2010-Apr-21 • 36 minutes
AstronomyCast 181: Rotation
AstronomyCast 181: Rotation
2010-Apr-17 • 32 minutes
AstronomyCast 180: Albedo
AstronomyCast 180: Albedo
2010-Apr-10 • 34 minutes
AstronomyCast 179: Mysteries of the Universe, pt. 2
AstronomyCast 179: Mysteries of the Universe, pt. 2
2010-Apr-07 • 35 minutes
AstronomyCast 178: Mysteries of the Universe, pt. 1
AstronomyCast 178: Mysteries of the Universe, pt. 1
2010-Mar-24 • 40 minutes
AstronomyCast 84: Getting Around the Solar System
AstronomyCast 84: Getting Around the Solar System
2010-Mar-17 • 32 minutes
AstronomyCast 177: Mysteries of the Milky Way, pt. 2
AstronomyCast 177: Mysteries of the Milky Way, pt. 2
2010-Mar-10 • 30 minutes
AstronomyCast 176: Mysteries of the Milky Way, pt. 1
AstronomyCast 176: Mysteries of the Milky Way, pt. 1
2010-Mar-02 • 24 minutes
AstronomyCast 175: Mysteries of the Universe, pt. 2
AstronomyCast 175: Mysteries of the Universe, pt. 2
2010-Feb-24 • 34 minutes
AstronomyCast 174: Mysteries of the Universe, pt. 1
AstronomyCast 174: Mysteries of the Universe, pt. 1
2010-Feb-17 • 31 minutes
AstronomyCast 173: The Herschel Space Observatory
AstronomyCast 173: The Herschel Space Observatory
2010-Feb-11 • 27 minutes
Ep. 26: The Largest Structures in the Universe
This week we continue the story of galaxy formation, learning how groups of galaxies come together to form the biggest structures around – galaxy superclusters. And when you look at the Universe at this scale, environment is everything.
2010-Feb-10 • 29 minutes
AstronomyCast 172: William Herschel
AstronomyCast 172: William Herschel
2010-Feb-10 • 37 minutes
AstronomyCast 171: Solar System Movements & Positions
AstronomyCast 171: Solar System Movements & Positions
2010-Feb-02 • 36 minutes
AstronomyCast 170: Coordinate Systems
AstronomyCast 170: Coordinate Systems
2010-Feb-01 • 31 minutes
AstronomyCast 169: The Fermi Mission
AstronomyCast 169: The Fermi Mission
2010-Jan-26 • 33 minutes
AstronomyCast 168: Enrico Fermi
AstronomyCast 168: Enrico Fermi
2006-Dec-18 • 30 minutes
Ep. 15: Listener Questions Answered
We finally get organized enough deal with several listener questions: isn�t dark matter just regular stuff we can�t see? how can parts of the Universe be expanding faster than the speed of light? what will Betelgeuse look like...