Guest:  Dr. Martin Elvis:  Topics:  Our guest discussed his new book, "Asteroids: How Love, Fear and Greed Will Determine Our Future In Space" plus the developing space economy, usage of space resources, competition, capitalism in space and more. 

Guest: Sir Martin Rees. Topics: Interstellar travel, the future of space &science, quasars, life extension, Mars missions & more. 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.