Walkabout the Galaxy
A Natural Sciences podcast by Joshua Colwell
4.8 • 94 ratings
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Recent Episodes
Supermassive Black Holes Supersoaking Other Galaxies
Published: February 25, 2026Snowball Earth was Cold and Scary and the Milky Way Magnetic Field is a Mess
Published: February 18, 2026Planetary Nebulae and Active Asteroids Get a Closer Look
Published: February 5, 2026A Dark Universe Unveiled
Published: January 29, 2026Crazy Spinners in the Asteroid Belt and S8 Tension
Published: January 14, 2026Cosmic Rays from Everywhere and Stringy Ancient Galaxies
Published: December 17, 2025Interstellar Star Scars and Poop on Mars
Published: December 10, 2025Gravothermalizing and Baby Black Holes
Published: December 4, 2025An Ancient Moon of Mars?
Published: November 26, 2025Why Is There A Universe At All?
Published: November 20, 2025