Guest:  Robert (Bob) Zimmerman; Topics: Annual launch rates and predictions, China's Long March 5B, Mars rovers, ancient molecular life on Mars, light carbon atoms, life in the solar system, Carbon-12, UV light, Musk and Starship, Georgia's preliminary spaceport approval, exploring the lunar poles and more.

Guests: John Batchelor, Doug Eric Berger, Dr. David Livingston.  Topics:  SpaceX being delayed by FAA EIR for Starship launches from Boca Chica.  

Guest:  Leonard David;  Topics:  Leonard brought up multiple space news stories for discussion on this show, plus we looked ahead to 2022 for what would likely be a continuing news story or a breakthrough story.

Guest:  Dr. Casey Handmer:  Topics:  The primary topic was Casey's blog article "Starship is still not understood" at https://caseyhandmer.wordpress.com/2021/10/28/starship-is-still-not-understood.  Later in the show, we talked about his latest blog post, "Scaling carbon capture" at  https://caseyhandmer.wordpress.com/2021/11/01/scaling-carbon-capture.

John Bucknell; Topics: John spoke more about his company Virtus Solis & their working to commercialize global SSP. He discussed technical & economic issues regarding commercializing global SSP plus he differentiated what his company was doing from others working on SSP, including government projects.