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Walkabout the Galaxy

Jun 20, 2024

We take a look at some Beta Pic Disk shots before journeying back to the earliest era of the universe and the possible formation of primordial black holes. Some of these may have been only the size of an atom and would have long since evaporated through Hawking radiation. But they may have left an observable imprint...

Jun 12, 2024

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.

Jun 5, 2024

There is a mountain - or should we say a volcano - of evidence, building that suggests volcanic activity on Venus during the time of the Magellan mission in the 1990s. We’ll dig into that, struggle to get our script right, ponder the Fantastic Voyage, upcoming spaceflight milestones, and much more.

May 30, 2024

New observations of Erigone, the parent body of an asteroid family, indicate its rocks are juicy with water. That makes it both a potential resource for future missions but also shows that asteroids may have played a big role in delivering water to the early Earth. Watery Erigone: it rhymes! You'll have to listen...

May 15, 2024

The Astroquarks delve into the possibility of giant alien constructs around stars, and the strange weather on a planet that is unreasonably close to its star. Join us for space news, trivia, and a fun exploration of odd topics in astronomy on Walkabout the Galaxy.