Broadcast 3111 Hotel Mars Special Guest Dr. David Grinspoon

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Guests:  Dr. David Grinspoon, John Batchelor, Dr. David Livingston;  Topics:  New Horizons and Dr. Grinspoon and Dr. Stern's new book, "Chasing New Horizons."  Written Transcripts of Space Show programs are not permitted without prior written consent from The Space Show (even if for personal use) & are a violation of the Space Show copyright. We do not permit the commercial use of any Space Show program or part thereof, nor do we permit Space Show programs to be edited, placed on YouTube, or other private channels & websites. Space Show programs can be quoted in news articles, papers, academic & research work but must be cited or referenced in the proper citation format. Contact Dr. Livingston for questions about our copyright and trademark policies which we do enforce.  This program is archived on The Space Show website, podcasting, and blog sites with permission from John Batchelor. Please visit the John Batchelor Show website for more information about this fine program,  Remember, your Amazon Purchases Can Help Support The Space Show/OGLF (  Please note that audio and transition issues are a result of copying the John Batchelor broadcast & are not within my control as they originate in the Batchelor studio.  Furthermore, this program was recorded in two segments by The John Batchelor Show which complicated their merger into one segment for Space Show archives. 

John Batchelor and I welcomed back Dr. David Grinspoon to discuss that part of the "Chasing New Horizons" story dealing with getting a planetary mission approved, into the NASA system and launched.  This is an excellent Lessons Learned discussion on how to that as a severe underdog as Dr. Grinspoon told the story of New Horizons, NASA, and the lessons learned on this Hotel Mars segment.  I'm quite sure you will find this story to be of great interest.  It is a two segment program for approximately 23 minutes, including the break and Batchelor's in-between segment music.

Please post comments/questions on The Space Show archive blog page for this program.  You can get the book through Amazon and if you do, please use TSS/OGLF Amazon portal (see Amazon on TSS homepage) as Amazon will donate a portion of the purchase price to TSS.  You can find out more about Dr. David Grinspoon at his website,




David's new book with Dr. Stern, "Chasing New Horizons," especially the part about how planetary protection came close to killing the project

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09 May 2018 John Batchelor, Dr. David Livingston, Dr. David Grinspoon
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