Category: The Solar System

June 28, 2017 / Episodes

Planet 9, also known as Egotron in honor of its supporters, has never been seen. A new statistical analysis of a deep sky survey suggests that’s because it doesn’t exist. The object’s existence has been…

June 21, 2017 / Episodes

The astroquarks take a look at new indications of water ice on the Moon, evidence that Jupiter formed in less than a million years, and the third detection by LIGO of gravitational waves from a…

June 3, 2017 / Episodes

How many jokes can the three astroquarks make about the pronunciation of the seventh planet? You’ll have to tune in to this episode of WtG to find out. Josh, Addie and Jim discuss how aurorae…

May 17, 2017 / Episodes

The Juno mission is studying Jupiter’s interior, but its citizen-scientist JunoCam is returning stunning images of the largest planet. Hear the astroquarks Josh Colwell, Addie Dove and Jim Cooney provide equally stunning descriptions of those…

May 10, 2017 / Episodes

Josh and Addie welcome two special guests for this episode of Walkabout the Galaxy where we learn about a new and clever measurement of the size and shape of the heliosphere. Cooler still, some of…

April 28, 2017 / Episodes

No, that ain’t no negative mass, but yes, for Cassini the end is nigh. The series of 22 Grand Finale orbits has begun, providing unique views of Saturn and its rings and a way to…