Bob Zimmerman, Tuesday, 7-1-25
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Jul 02, 2025
The Space Show
The Space Show focuses on timely and important issues influencing the development of outer-space commerce, space tourism,space exploration and space development. The Space Show is committed to facilitating our becoming a space-faring nation and society with a growing and self-sustaining space-faring economy. The Space Show also focuses on other related subjects of interest to us all.
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Episodes
John Batchelor Hotel Mars with Doug Messier, Wednesday, 6-25-25
John and I talked with Doug Messier for a single Hotel Mars program on SpaceX launches, the latest with Starship, including troubleshooting recent launch failures. Doug also talked costs, testing, technical problems, and timelines going forward for essential SpaceX and Starship related programs. Doug reviewed Block 1,2, and 3 for Super Heavy though he said things were not yet clear fro Block 3. Doug was asked about an ongoing risk for debris falling on populated areas. Don't miss his comment on ...
Jul 01, 2025
Dr. Young K. Bae on fusion, Sunday, 6-29-25
Dr. Young Bae was our guest for this Zoom program to discuss fusion energy possibilities. We began our discussion with Dr. Bae with a focus on nuclear fusion power and space propulsion. The conversation covered Dr. Bae’s research career, the challenges in developing fusion technology, and potential applications for space. We aimed to conclude with a consensus that both fusion and thorium-based fission could play key roles in future space propulsion, while fission would likely remain the more via...
Jun 30, 2025
Casey Dreier, Friday, 6-27-25
We welcomed Casey Dreier of The Planetary Society to discuss what is termed the Skinny Budget cutting NASA programs and science. Casey went through the issues and concerns in detail. You can hear the audio archives on our website and our Substack page, doctorspace.substack.com. The video will also be archived on our Substack page.
Jun 27, 2025
Dr. Ersilia Vaudo, Thursday, June 26, 2025
We welcomed Dr. Ersilia Vaudo to the program from Paris, France to discuss her book, "The Story of Astrophysics in Five Revolutions." This was a fascinating discussion. It is audio archived both on The Space Show site and our Substack site, doctorspace.substack.com plus our video of the interview is also on Substack. I encourage you to watch the video rather than just listen to the program. Your comments are welcome on our blog and on Substack. The full program summary is on both TSS site and ou...
Jun 27, 2025
Dr. Saralyn Mark, Tuesday, 6-24-25
The Space Show hosted a discussion with Dr. Saralyn Mark, focusing on space medicine, human spaceflight, and the challenges of long-duration space travel. The conversation covered topics such as the impact of space on human health, advancements in space technology, and the potential for space research to benefit medical treatments on Earth. Dr. Mark emphasized the importance of international collaboration, ethical considerations, and continued funding for space exploration to address challenges ...
Jun 26, 2025
Dr. Karen Lloyd, Sunday, 6-22-25
This program sustained serious audio issues.My apologies. Dr. Karen Lloyd, author of INTRATERRESTRIALS: Discovering the Strangest Life on Earth, joined us for a 63-minute program to explore some of the most bizarre life forms on our planet—organisms that live hundreds to thousands of feet below the Earth's surface. Much of her research focuses on microbial life discovered via deep-sea submersibles like ALVIN. Please see the summary on our website or Substack page for full program details. Thank ...
Jun 23, 2025
John Batchelor Hotel Mars, Wednesday 6-18-25
John and I welcomed Dr. Enrique Gaztanaga who is at the Portsmouth University, in the UK. The professor proposes an alternative theory of the universe to the established Big Bang theory. Since the JWST has been on line, problems with the Big Bang have been detected with our guest at the lead in proposing his alternative theory which is still under investigation. While listening to this two part program, visit Professor Gaztanaga's excellent website for more detail and a listing of his published ...
Jun 20, 2025
Dr. Robert Bishop, Friday, 6-20-25
Dr. Robert Bishop of Texas A&M was welcomed to the program to discuss and cover a range of topics related to space exploration, technology, and education, with a focus on Texas A&M University's involvement in these areas. Discussions included technical issues, SpaceX developments, radio show logistics, and the structure of Texas A&M's engineering programs, particularly their new space engineering initiative and research partnerships. The conversation also touched on broader themes su...
Jun 20, 2025
Bill Gowan, Friday, 6-13-25
Bill Gowan joined us on this program to share his experience participating in The Planetary Society’s annual Day of Action on Capitol Hill. This year’s event took place in March and included training sessions, group feedback meetings, and visits to numerous congressional offices, primarily engaging with staffers from both the Senate and the House. While the Day of Action had its own structured agenda focused on space advocacy, Bill also brought his personal priorities with him advocating for thr...
Jun 14, 2025
John Batchelor Hotel Mars, Wednesday, 6-11-25
John and I welcomed back to Hotel Mars Eric Berger of Ars Technica for a one segment update and discussion regarding SpaceX, Musk & Starship. Eric was asked what the SpaceX testing success of Starship would look like. Our guest said he did not know. We talked about the upcoming Demo Test #10, possible hardware issues and even the possibility of assembly issues. Our guest expanded on this part of our conversation. Starship and the planned Moon launch were mentioned, we talked about testing in...
Jun 14, 2025
Dave Barnhart, Tuesday, 6-10-25
We welcomed Dave Barnhart, CEO and Co-founder of Arkisys, Inc., back to the program to share updates since his last appearance on May 2, 2023. The conversation focused on developments in the growing field of space servicing and the evolving commercial space industry. Dave provided a comprehensive update on Arkisys’s Port project, highlighting increased interest from the U.S. Space Force, the Space Development Agency, and other key government and private stakeholders. He discussed concepts such a...
Jun 11, 2025
Marcus Chown, Sunday, 6-8-25
I introduced Marcus Chown, an award-winning writer and former radio astronomer at Caltech, to discuss his latest book "A Crack in Everything: How Black Holes Came in from the Cold and Took Cosmic Center Stage." Marcus shared his personal journey into astronomy, inspired by his father's gift of an astronomy book and witnessing the moon landing as a child. He discussed the evolution of black hole science, explaining how they were initially considered fictional but became central to understanding t...
Jun 08, 2025
Broadcast 4381 Hotel Mars: Casey Dreier
John and I welcomed Casey Dreier from The Planetary Society to the program to go over the proposed NASA space and science budget cuts and project eliminations. Casey suspected the direction for the cuts originated out of OMB without much space guidance or thought. He identified several of the projects and programs identified for either a budget cut such as the Nancy Grace Roman Space Telescope to the New Horizons and Venus missions being totally eliminated. Casey also talked about the bleak futu...
Jun 07, 2025
James (Jim) Meigs, Friday, 6-6-25
We welcomed Jim Meigs from the Manhattan Institute to the program to discuss his paper, "U.S. Space Policy: The Next Frontier", space news including a changed in the proposed NASA Administrator plus the argument with President Trump and Elon Musk. The meeting considered the potential impact of the dispute and administrator change on space policy and projects, including NASA's future leadership and priorities. Jim, along with program participants on both Zoom and the live stream explored various ...
Jun 06, 2025
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