Astronomy Cast Ep. 795: Expanse Science
6/1/202632 min
Astronomy Cast Ep. 795: Expanse Science By Fraser Cain & Dr. Pamela Gay Streamed live on May 10, 2026. This is the final episode of our series on sci-fi universes. And this week we will tackle "The Expanse". Now we've got fusion drives, Proto-matter, g-forces! Listen up, belta lawda! Let's look at the science of our own possible (with a side of aliens) future. This show is supported through people like you on Patreon.com/AstronomyCast In this episode, we'd like to thank: Andrew Poelstra, Burry Gowen, David, David Rossetter, Ed, Eric Lee, Gerhard Schwarzer, Jason Kwong, Jeanette Wink, Joe McTee, Michael Purcell, Sergey...
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First 90 secondsFraser Cain· Host0:00
[upbeat electronic music] Astronomy Cast, episode 795, The Science of The Expanse. Welcome to Astronomy Cast, our weekly facts-based journey through the cosmos, where we help you understand not only what we know, but how we know what we know. I'm Fraser Cain. I'm the publisher of Universe Today. With me, as always, is Dr. Pamela Gay, a senior scientist for the Planetary Science Institute and the director of CosmoQuest. Hey, Pamela. How you doing?
Pamela Gay· Host1:10
I am experiencing sunlight- Oof ... streaming radically into my studio in a way I don't get to see on Mondays 'cause I've usually- Right ... fled at this point of the day.
Fraser Cain· Host1:20
Right. Yeah, we're usually done recording, but here we are later on in the afternoon, and you're getting, uh, that, that afternoon sunlight coming through.
Pamela Gay· Host1:26
It's true.
Fraser Cain· Host1:27
Feels good.
Pamela Gay· Host1:27
Yeah.