Guest:  Dr. Patrick Collins;  Topics:  Space Tourism, Space Solar Power, markets, snow melting satellites, SSP interest around the world, climate change including a possible ice age and much more.

Guest:  Dr. Haym Benaroya; Topics:  Returning to the Moon with humans, Artemis, lunar development action plan, hardware advancements, regolith and low gravity concerns, large rocket acoustic signatures and challenges, noise abatement blast wave, blast vibrations, low frequency vibrations and more.

We welcomed Doug Messier back to the program for a 94 minute discussion starting out with the success of the Perseverance Mars rover landing earlier in the day.  Most of the first segment was devoted to Perseverance, the various science experiments plans, the onboard hardware and instruments such as the helicopter, microphones, advanced cameras, MOXIE to make O2 out of the Martian atmosphere plus more.  Listen as Doug and callers/emailers discuss the instrument package, the experiments and the search for possible past life on Mars.  Also discussed was the landing site, Jezero Crater, plus t

Guest:  Dr. Greg Autry;  Topics: A brief space policy history of accomplishment, Biden administration space policy, returning to the Moon, cost and budget issues, commercial space, and more.

Guest:  Dr. Lena De Winne;  Topics:  Dr. Winne introduced us to the Asgardia Space Nation (https://asgardia.space/en) plus she described this soon to be four year old nation in great detail.