Guest: Dr. Claude Piantadosi. Topics": We discussed Dr. Piantodosi's book, "Mankind Beyond Earth," human spaceflight, Mars missions, radiation, microgravity. 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. Haym Benaroya, Dr. John Jurist. Topics: Engineering space structures, hardware, and habits for LEO, the Moon, and Mars. 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.

Guest: Dr. Roger Launius. Topics: "Coming Home: Reentry and Recovery from Space" by Dr. Launius, space policy issues, magical thinking. 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.

Guest: Frank Stratford. Topics: Human spaceflight to Mars. 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: CLASSROOM: Dr. Paul Spudis, Dr. Jim Vedda. Topics: Cislunar space development and economics. You are invited to comment, ask questions, and discuss the Space Show program/guest(s) on the Space Show blogs, http://thespaceshow.wordpress.com and the Classroom blog, http://spaceshowclassroom.wordpress.com. Comments, questions, and any discussion must be relevant and applicable to Space Show programming.