![Walkabout the Galaxy show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/079/180/small/walkabout-the-galaxy.jpg)
Summary: Check out our first literally-titled episode! David Grinspoon, co-author of "Chasing New Horizons", the behind-the-scenes story of the Pluto mission, joins the astroquarks to dish on Pluto the planet, space exploration, Carl Sagan, and Mickey Mouse's dog!