Interstellar Star Scars and Poop on Mars

from Walkabout the Galaxy · host Josh Colwell, Addie Dove, Audrey Martin

We explore the dining and drinking choices for astronauts, complex chemicals discovered in asteroid samples, and untangling the web of scars in the local interstellar cloud to reveal past encounters of the Sun with some hot stellar neighbors. If you wish you had more hot stellar neighbors, you should definitely check out this episode of Walkabout the Galaxy.

Episode metadata supplied by the publisher feed · Published Dec 10, 2025

Embed this episode

Attribution link and audio player

NOW PLAYING

Interstellar Star Scars and Poop on Mars

0:00 38:58

1×

No transcript for this episode yet

We transcribe on demand. Request one and we'll notify you when it's ready — usually under 10 minutes.

Share this episode

Similar Episodes

No similar episodes found.

Similar Podcasts

No similar podcasts found.

Frequently Asked Questions

How long is this episode of Walkabout the Galaxy?

This episode is 38 minutes long.

When was this Walkabout the Galaxy episode published?

This episode was published on December 10, 2025.

Can I download this Walkabout the Galaxy episode?

Yes. Use the download control on the episode player to save the publisher-provided media file.

URL copied to clipboard!