Guest:  Dr. Catharine (Cassie) Conley;  Topics:  Planetary Protection.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use.

Guest: Rod Pyle. Topic: We discussed Rod's latest book, "Curiosity: An Inside Look at the Mars Rover Mission and the People Who Made It Happen." Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, http://thespaceshow.wordpress.com. Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use.

Guests: Dr. Roger Launius, Andrew Johnston. Topics: space exploration, geography, Hubble, human spaceflight. Dr. Roger Launius and Andrew Johnston were the guests for this Space Show program to discuss their excellent new book, "Atlas of Space Exploration." You can find out more about this book from the One Giant Leap Foundation book website, www.onegiantleapfoundation.org/books.htm. We started our discussion by talking about ancient observatories and then observation versus exploration.