Guest:  Dr. John Brandenburg; Topics:  Large nuclear explosions on Mars, Martian atmospheric physics, X-129 and H Bomb signatures, super nova signature, other Martian atmospheric isotopes, Mars rover discoveries and more.

Guest:  Dr. Robert (Bob) Zubrin;  Topics:  Searching for life on Mars, sample returns, planetary protection nuclear energy, student design contests, Mars Society programs and upcoming convention, gravity prescription determination, human spaceflight, NASA, Starship, SpaceX and much more.

Guest:  James Burk;  Topic:  Mars virtual reaality, the Mars Society project MarsVR platform being developed via an Indigogo crowdfunding project, virtual reality, schools and museum distribution and more.

Guest:  Dr. Robert (Bob) Zubrin;  Topics: The upcoming Mars Society all virtual and free conference plus man additional topics which Bob addressed.

Guest:  Dr. Robert (Bob) Zubrin;  Topics:  Annual Mars Society Convention, humans to Mars, technology, artificial gravity & more.  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.