0:00
43:18
The Astroquarks celebrate their 360th episode with discoveries showing carbon much earlier in the universe than previously thought possible, and an exotic new proposal as an alternative to dark matter. Plus, we have radioactive trivia and a slew of space news with a busy week in rocket and spaceship activity.
More episodes from "Walkabout the Galaxy"
Don't miss an episode of “Walkabout the Galaxy” and subscribe to it in the GetPodcast app.