Guests: John Batchelor, Dr. Jeff Hoffman, Dr. David Livingston.  Topics:  Making O2 on Mars with MOXIE and related topics.

Guest:  Jean-Francoise Gauthier of GHGSat in Canada; Topics: Methane detection satellites, how the satellites work, satellite detection of CO2, industries using satellites, the need for a business case and more.

Guest:  Open Lines with Dr. David Livingston; Topics: Multiple topics from callers and listeners sending in emails. Also, topics suggested by the host.  It is suggested you follow the tags for more detail on the variety of topics discussed on this Open Lines program.

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.

Guests: John Batchelor, Anatoly Zak, Dr. David Livingston.  Topics:  Russia back to the Moon, their lander and lunar technology.

Guest:  Dr. Seth Shostak; Topics: SETI, radio astronomy, searching for ET, star systems and planets, radio astronomy off Earth, the WOW signal and much more.

Guests:  John Bucknell, Bill Gowan; Topics:  Updates for John's company Virtus Solis, an overview of space based solar power, John's business plan, timelines, demos, making it to orbit, in space manufacturing and partnerships. Capital needs and acquisition for Virtus Solis were also discussed.

Guests: John Batchelor, Dr. David Grinspoon, Dr. David Livingston.  Topics:  Enceladus and phosphorous, volcanos and upcoming missions regarding Venus.