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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 space exploration • Solar system and planetary science • Exoplanets, habitability • Stars, nebulae, galaxies • Cosmology, expansion • Physics fundamentals: particles, forces, gravity, magnetism • Light, spectra, lasers • Space hazards, satellites, planetary defense • Quantum and nuclear technologyThis podcast uses astronomy and physics to answer listener-style questions about space, time, and how the universe works. Across the episodes, the host explains phenomena ranging from the Solar System to deep-space cosmology, often grounding big ideas in clear physical principles, measurements, and real-world examples.
A major theme is our neighborhood in space: the Moon and plans for sustained human return, Mars and the challenges of traveling between worlds, and notable features of planets and moons such as rings around the giant planets, volcanic activity on Jupiter’s moon Io, and extreme temperatures across different worlds. The show also looks outward to stellar and galactic scales, covering star formation in nearby nebulae, how long stars live, how astronomers measure distances to stars, and how the Milky Way fits into the Local Group of galaxies.
Several episodes focus on discovering and characterizing exoplanets, including what makes a planet potentially habitable and how astronomers detect worlds around other stars. On the cosmology side, the podcast addresses the expanding universe and why different methods of measuring that expansion can disagree.
Physics and technology topics recur throughout, including fundamental particles and forces, magnetism and gravity, the Doppler effect, polarization and glare, radio waves and optical communications, lasers, quantum computing, nuclear fission, and practical energy questions like solar power. The podcast also discusses space-related risks and impacts on modern life, such as asteroid hazards, geomagnetic storms, light pollution, satellite crowding and debris, and questions about radiation from everyday devices.