A conversation about alien life with Dr. David Grinspoon, author of Lonely Planets. We talked about his career as ab astrobiologiest, about the habitability throughout the solar system from Venus to the moons of Saturn, a proposed Venus ballon, the Curiosity rover on Mars, his upcoming book, his band, and more.
David Grinspoon's website, funkyscience.net
Lonely Planets - the Natural Philosophy of Alien Life
The Episode 4 Script
Carl Sagan on the Drake Equation (video)