Walkabout the Galaxy Posts

January 28, 2020 / Episodes

If you’re new to Walkabout the Galaxy, we generally suggest you start with the most recent since we frequently talk about recent news. But here, in no particular order, are a few episodes you might…

July 7, 2021 / Earth

In another wide-ranging episode, we discuss how atmospheric and oceanic chemistry changes wiped out most life on Earth 250 million years ago, the best evidence yet for a third type of supernova, and the importance…

June 30, 2021 / News and Such

We were hacked, now we’re back! Stay tuned for updates with all our episodes and more news, coming soon. Josh and the WtG team.

June 23, 2021 / Cosmology

Just when the mysterious dimming of nearby giant star Betelgeuse is explained, a more distant giant star was almost completely blocked out. We discuss the very different explanations for these two stellar events, and we…

June 16, 2021 / Astrophysics

These days it goes without saying that the universe is the same in every direction, at least on large scales. Or is it? We take a look at a new result from the Sloane Digital…

June 8, 2021 / Episodes

We’re feeling happy, chatty, and ranty in the first show back in our studio since February, 2020, with a look at two new missions to Venus, a cool experiment about Aurora, magnetic field trivia, and…

June 2, 2021 / Episodes

On our 239th episode the Astroquarks reflect on the Friends Reunion where they reflected on their time making only 236 episodes. The Friends and the Astroquarks have aged, but nothing compared to the Universe. We…