Walkabout the Galaxy Posts

May 13, 2018 / Episodes

We all know Mars is crunchy on the outside, but does it have a chewy center? The NASA Mars InSight mission is en route to the red planet to answer that question. The astroquarks talk…

April 4, 2018 / Astrophysics

Dark matter is hiding everywhere. Not only that, but there’s a mysterious source of apparently gravitational acceleration throughout the universe and in all galaxies. Except this one tiny little galaxy that’s one of the topics…

April 4, 2018 / Black Holes

We dedicate this episode to Stephen W. Hawking and discuss one of his major contributions to understanding black holes, a phenomenon now known as Hawking radiation. You can download it here or wherever you find…

March 11, 2018 / Astrophysics

This episode explores new ways to look at things, revealing the earliest stars to form in the universe, and a new, detailed map of the space around the supermassive black hole at the center of…

March 11, 2018 / Space Exploration

The Astroquarks welcome Dr. Phil Metzger, expert on the use of local materials on the Moon, asteroids, and Mars, to tell us about the prospects for prospecting in space. Find out how to build your…

March 11, 2018 / Exoplanets

“Starman” in the Tesla Roadster is headed out past the orbit of Mars, and NASA has some cool new missions in the works for exploration of the solar system. One of those, Mars 2020, is…