Site • RSS • Apple PodcastsDescription (podcaster-provided):
StarDate, the longest-running national radio science feature in the U.S., tells listeners what to look for in the night sky.Themes and summary (AI-generated based on podcaster-provided show and episode descriptions):
➤ Night-sky observing guidance • Star properties and lifecycles • Distances, mass, brightness, rotation • Multi-star systems • Star formation regions • Solar eclipses, corona, prominences • Novae, supernovas, black holes, microquasars • Earth–Sun timekeeping (equation of time)This podcast is a short-form astronomy and skywatching guide that connects what listeners can see in the night sky with the science behind it. Across these episodes, it highlights prominent seasonal sights—especially bright stars and well-known constellations visible on summer evenings—and explains where to find them in the sky at nightfall and as the night progresses.
A recurring focus is stellar astronomy: the physical properties of notable stars, how astronomers estimate distances, and how uncertainties in distance affect estimates of a star’s size, mass, and luminosity. The episodes often use specific examples to illustrate broader ideas in stellar evolution, such as how a star’s mass governs its lifetime, how stars change as they exhaust core hydrogen, and what late-life outcomes can include—ranging from gentle shedding of outer layers to supernova explosions.
The podcast also explores energetic phenomena involving the Sun and compact objects. It describes solar prominences and the magnetic processes that shape them, including how solar outbursts can affect Earth. It also covers explosive and high-energy binary systems, such as recurrent nova-like eruptions driven by gas accreting onto a white dwarf and systems where a black hole pulls material from a companion, producing a hot disk and fast jets.
Alongside deep-sky topics, the show occasionally turns to observational timekeeping and Earth–Sun geometry, explaining why apparent solar time can differ from clock time over the year. Overall, the content blends practical observing pointers with accessible explanations of astrophysical processes.
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Aphelion 2026-Jul-05 2 minutes |
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Anniversary Stars 2026-Jul-04 2 minutes |
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Venusian Shower 2026-Jul-03 2 minutes |
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Mars and Uranus 2026-Jul-02 2 minutes |
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Brief Encounter 2026-Jul-01 2 minutes |
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Deneb 2026-Jun-30 2 minutes |
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Prominent Sun 2026-Jun-29 2 minutes |
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Tarazed 2026-Jun-28 2 minutes |
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Altair 2026-Jun-27 2 minutes |
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Moon and Antares 2026-Jun-26 2 minutes |