Walkabout the Galaxy Posts

January 26, 2018 / Astrophysics

One of the largest asteroids, 4 Vesta, has a unique spectrum that matches some meteorites that is a clue that those meteorites are actually chunks knocked off of Vesta at some point. Analysis of the…

January 10, 2018 / Cosmology

Last year we witnessed the dawn of a new kind of astronomy with multiple detections of violent, energetic events in the universe not by the light they produce, but by the ripples they produced in…

January 10, 2018 / Astrophysics

Join the astroquarks for a look back at a remarkable year. There were lots of exciting discoveries in the cosmological realm to distract us from our more terrestrial concerns, and boy did we need them!…

December 15, 2017 / Earth

Confirming observations by NASA of Gamma Rays from a space-based telescope, Japanese scientists have detected the characteristic signature of antimatter from lightning strikes. The astroquarks explore this and a new proposal that suggests that dark…

December 1, 2017 / Episodes

Catch our latest episode with discussion of a nearby habitable world, and an even closer world that may be humanity’s next outpost: Saturn’s moon Titan! Dr. Amanda Hendrix explains the many benefits of living on…

November 18, 2017 / Astrophysics

Stars have a voracious appetite, gobbling up most of the stuff in their immediate neighborhood, leaving just a few scraps to make planets. Sometimes, though, even the planets do not escape the stellar maw. In…