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Do you have questions about space, time and the nature of the universe? Join Aurelian Balan, Delta College associate professor of physics, as he uses astronomy and physics to help answer your questions while diving into some amazing topics.Themes and summary (AI-generated based on podcaster-provided show and episode descriptions):
➤ astronomy and physics Q&A • solar system, stars, nebulae, galaxies • exoplanets, habitability • space missions, planetary defense, space debris • cosmology expansion, dark matter • radiation, nuclear energy • waves, magnetism, optics, quantum computing • telescopes, light pollutionThis podcast uses astronomy and physics to answer listener-style questions about space, matter, energy, and the technologies that shape how we explore and understand the universe. Across the episodes, the host explains foundational concepts—such as gravity, magnetism, the Doppler effect, the speed of light, and the fundamental forces and particles that make up reality—often connecting abstract ideas to everyday experiences like glare reduction with polarized sunglasses, the radio spectrum behind wireless communication, or concerns about cell phone radiation.
A major throughline is observing and measuring the cosmos. The podcast discusses how scientists determine distances to stars, estimate ages with radiocarbon and related dating methods, and use telescopes and space observatories (including next-generation instruments) to study everything from nearby star-forming regions to the large-scale structure of galaxies. It also addresses open questions and current research, including the universe’s expansion and why different measurements can disagree, as well as experimental efforts to detect dark matter and surprising results in nuclear physics.
The show frequently turns to the Solar System and near-Earth space, covering planetary environments, moons, rings, asteroids and impact risk, and practical issues like light pollution, satellite congestion, and space debris. Human spaceflight and engineering topics also appear, from returning astronauts to the Moon and planning travel times to Mars and beyond, to advances in deep-space communications and planetary defense. Energy technologies on Earth—such as nuclear fission reactors and residential solar power—are included as part of a broader look at physics in both cosmic and practical contexts.