Space artists have enthralled and inspired us for many years. Works by more than 100 of the best of them are now in The Beauty of Space. We talk about the book with its editor, space artist Jon Ramer, and revered space artist Don Dixon. Bill Nye checks in from an international space conference in Cape Town, South Africa. Mat Kaplan joins Bruce Betts and a lot of 5th graders at the AIAA Space 2011 conference, where they begin another space trivia contest.