June 11th, 2009
Episode 170 of 475 episodes
Will robots be able to avoid the heat death of the Universe? Can galaxies orbit each other like binary stars? And what are the dangers of space radiation to astronauts on the Moon? If you've got a question for the Astronomy Cast team, please email it in to email@example.com and we'll try to tackle it for a future show. Please include your location and a way to pronounce your name.