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…

September 1, 2020 / Cosmology

Ceres, whatever you want to call it, seems to have a bunch of salty water near its surface. Top quark gets worked up about planet nomenclature, while Strange and Charm get worked up about how…

August 18, 2020 / Astrophysics

Low mass stars and high mass planets are the talk of the astroquarks in this episode, featuring a close-up look at the weather on Jupiter and a revisit to just what kind of stars provide…

August 18, 2020 / Cosmology

Deep in the interior of the Sun all the energy that supports life on Earth is created by fusing hydrogen into helium. For the first time, neutrinos produced by the relatively rare CNO fusion process…

August 18, 2020 / Episodes

The asteroid really did kill the dinosaurs, but the universe seems to be hiding something deeper and more mysterious from us about how it evolves. Closer to home, the European Solar Orbiter reveals adorable campfires…

August 18, 2020 / Cosmology

Far, far away, beyond the Zone of Avoidance, lurking in darkest, deepest space, lies the great southern wall of galaxies! New mapping of the local universe has revealed this sheet of galaxies that is roughly…

July 1, 2020 / Black Holes

Is it the tiniest black hole ever or the largest neutron star ever? We may never know, but one of them has been discovered thanks to gravitational wave observations. And an interesting black hole merger…