Ep. 780: When Asteroids & Comets Attack!

Ep. 780: When Asteroids & Comets Attack!

Astronomy Cast Ep. 780: When Asteroids & Comets Attack! By Fraser Cain & Dr. Pamela Gay Streamed live on Jan 26, 2026. We live in a cosmic shooting gallery. It's not a matter of "if" but "when"! Dinosaurs, blah, blah, blah. You know the drill. But seriously, folks, it's raining rocks & ice out there! How seriously should we take it? What happens when a variety of different objects hit the Earth? Different kinds of objects affect Earth very differently when they impact. Let's discuss what makes an impactor more or less dangerous. This show is supported through people like you on Patreon.com/AstronomyCast In this episode, we'd like to thank: Burry Gowen, Eric Lee, Jeanette Wink, Michael Purcell, Andrew Poelstra, David, David Rossetter, Ed, Gerhard Schwarzer, Jason Kwong, Joe McTee, Sergey Manouilov, Siggi Kemmler, Sergio Sancevero

Jaksot(662)

Ep. 638: Simulating Space Missions

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...

11 Huhti 202229min

Ep. 637: Machine Learning in Astronomy

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 develop...

4 Huhti 202229min

Ep. 636: Blowing Bubbles

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 ...

28 Maalis 202229min

Ep. 635: Jets: When Magnetic Fields Fling Things

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 yea...

21 Maalis 202226min

Ep. 634: Milky Way's Mergers & Acquisitions

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 ...

14 Maalis 202227min

Ep. 633: Weirdly Habitable Places

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. ...

7 Maalis 202228min

Ep. 632: Building Images: Optical vs Radio

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 ...

28 Helmi 202229min

Ep. 631: All The Uses Of Pulsars (Including Murder)

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. ...

21 Helmi 202230min

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