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

Episoder(662)

Ep. 567: When Satellites Need a House Call

Ep. 567: When Satellites Need a House Call

567: When Satellites Need a House Call Astronomy Cast 567: When Satellites Need a House Call by Fraser Cain & Dr. Pamela Gay Space is really far away, so when you send a satellite out into the void, t...

27 Apr 202032min

Ep. 566: When Comets Fall Apart

Ep. 566: When Comets Fall Apart

566: When Comets Fall Apart Astronomy Cast 566: When Comets Fall Apart by Fraser Cain & Dr. Pamela Gay As everyone knows, the Universe owes us a bright comet. There have been a lot of promising candid...

20 Apr 202029min

Ep. 565: When Worlds Collide

Ep. 565: When Worlds Collide

565: When Worlds Collide Astronomy Cast 565: When Worlds Collide by Fraser Cain & Dr. Pamela Gay So much of our Solar System has been shaped by enormous collisions early on in our history. Seriously, ...

13 Apr 202030min

Ep. 564: Mini Moons

Ep. 564: Mini Moons

564: Mini Moons Astronomy Cast 564: Mini Moons by Fraser Cain & Dr. Pamela Gay Last month astronomers announced that they had detected a tiny asteroid that had been captured by the Earth's gravity wel...

6 Apr 202028min

Ep. 563: White Dwarf Mergers

Ep. 563: White Dwarf Mergers

563: White Dwarf Mergers Astronomy Cast 563: White Dwarf Mergers by Fraser Cain & Dr. Pamela Gay White dwarfs are usually about 60% the mass of the Sun, so it was a bit of a surprise when astronomers ...

30 Mar 202033min

Ep. 562: Dealing with COVID-19 and the Changes it will Bring

Ep. 562: Dealing with COVID-19 and the Changes it will Bring

562: Dealing with COVID-19 and the Changes it will Bring Astronomy Cast 562: Dealing with COVID-19 and the Changes it will Bring by Fraser Cain & Dr. Pamela Gay Pamela and Fraser discuss the implicati...

23 Mar 20201h 1min

Ep. 561: Remembering Katherine Johnson

Ep. 561: Remembering Katherine Johnson

561: Remembering Katherine Johnson Astronomy Cast 561: Remembering Katherine Johnson by Fraser Cain & Dr. Pamela Gay We lost a bright star here on planet Earth last week. NASA mathematician Katherine ...

6 Mar 202033min

Ep. 560: Betelgeuse

Ep. 560: Betelgeuse

560: Betelgeuse Astronomy Cast 560: Betelgeuse by Fraser Cain & Dr. Pamela Gay You might be surprised to hear that we've never done an episode of Astronomy Cast featuring Betelgeuse. Well, good news, ...

24 Feb 202035min

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