The Space Show by Dr. David Livingston

Dr. David M. Livingston

The Space Show® focuses on timely and important issues influencing the development of outer-space commerce and space tourism, as well as other related subjects of interest to us all. doctorspace.substack.com

  1. The Space Show presents Dr. Ryan Dowdy on NASA food for the Shuttle & Artemis Missions

    1 dag geleden

    The Space Show presents Dr. Ryan Dowdy on NASA food for the Shuttle & Artemis Missions

    The Space Show Presents Dr. Ryan Dowdy re ISS & Artemis Astronaut Food, May 15, 2026, Friday Quick Summary: The Space Show featured Dr. Ryan Dowdy, a former NASA ISS Food System Manager, discussing food in space and his commercial food company ReadyBar. Dowdy explained how NASA’s 20-person team in Houston produces all space food, with 60+ signatures required for each item due to government regulations. He detailed the challenges of providing nutrition for astronauts, including the need for 500-calorie meal replacement bars and the importance of fresh food for psychological well-being. The discussion covered topics like packaging limitations, radiation effects on food, and the potential for growing food in space. Dowdy also shared information about his company ReadyBar, which makes meal-replacement bars designed to replace an entire meal with 30 grams of protein and 15 grams of fiber for $5.99, currently sold online with plans to expand to retailers and Amazon. The conversation explored how commercial space companies are developing their own food systems and the need for continued R&D investment in space food technology. Detailed Summary: Ryan discussed the challenges and innovations in providing food for astronauts, particularly focusing on NASA’s ISS and Artemis missions. He explained how meal replacement bars became popular due to cost and packaging efficiency considerations, noting that 60% of food weight on the ISS was packaging that was discarded. Ryan described his work at NASA from 2016, where he helped update the food menu by adding more fish, fruits, and vegetables to address astronauts’ nutritional needs for omega-3 fatty acids and antioxidants. The discussion concluded with Ryan sharing how he initially became interested in space food science through a professor’s suggestion to directly ask NASA about their challenges rather than proposing solutions without understanding their needs. Ryan also discussed his experience as the ISS Food System Manager at NASA’s Space Food Systems Laboratory, explaining how food scientists create meals designed to last up to two years in space. He described the process of working with astronauts to taste and rank approximately 200 menu items, noting that while shrimp cocktail was a popular choice, the Russian crew preferred more soup in their meals, leading to food exchanges between the two teams. When asked about future food options for space missions, Ryan clarified that while no insects were consumed on the ISS during his tenure, there is potential for growing food in space, though current plant growth experiments like the Veggie system didn’t provide sufficient daily calories. He concluded that while space food systems aren’t ready for long-duration missions like Mars yet, continued research through initiatives like the Deep Space Food Challenge is necessary. Special thanks to our sponsors:American Institute of Aeronautics and Astronautics, Helix Space in Luxembourg, Celestis Memorial Spaceflights, Astrox Corporation, Dr. Haym Benaroya of Rutgers University, The Space Settlement Progress Blog by John Jossy, The Atlantis Project, and Artless Entertainment We use Zoom phone numbers for program participation. For real time program participation, email Dr. Space at: drspace@thespaceshow.com for instructions and access. The Space Show is a non-profit 501C3 through its parent, One Giant Leap Foundation, Inc. To donate via Pay Pal, use: To donate with Zelle, use the email address: david@onegiantleapfoundation.org. If you prefer donating with a check, please make the check payable to One Giant Leap Foundation and mail to: One Giant Leap Foundation, 11035 Lavender Hill Drive Ste. 160-306 Las Vegas, NV 89135 Upcoming Programs: Sunday, June 21: No Program For Father’s Day | Sunday 21 Jun 2026 1200PM PT Guests: Dr. David Livingston No program due to Father’s Day Get full access to The Space Show-One Giant Leap Foundation at doctorspace.substack.com/subscribe

    1 u 22 m
  2. The Space Show Presents Andrew Rush, CEO of Star Catcher, Friday, 6-19-26

    2 dgn geleden

    The Space Show Presents Andrew Rush, CEO of Star Catcher, Friday, 6-19-26

    The Space Show Presents Andrew Rush of Star Catcher, Friday, 6-1926 Quick Summary: This Space Show program featured Andrew Rush, CEO of Star Catcher, discussing their development of an orbital energy grid using power beaming technology. Andrew explained how his network of satellites would collect solar energy and transmit it via laser beams to client satellites in low Earth orbit, enabling them to deliver significantly more power without requiring larger solar arrays or changes to the satellites’ orientation. The technology aims to address power constraints in space by delivering up to 100 kilowatts per power node, with plans to provide commercial service by the end of the decade. The discussion covered potential applications including orbital data centers, lunar power distribution, and extending the operational life of existing satellites, with Andrew noting they had raised $65 million in Series A funding and were actively hiring. Andrew Rush, CEO of Star Catcher, discussed the company’s efforts to create the first orbital energy grid through power beaming satellites. He explained that Star Catcher has developed a network of power beaming satellites using solar concentrators and multi-wavelength laser systems to deliver additional power to client satellites in low Earth orbit. Andrew reported significant progress, including over 40 letters of intent signed and 6-7 power purchase agreements, demonstrating strong market demand for the technology. He clarified that while each power node can deliver about 100 kilowatts of energy, the system is designed for one-to-many architecture with multiple beams, and as a U.S. company, they remain subject to ITAR regulations. Andrew explained that client satellites in the Star Catcher network don’t need to change their orientation to receive power from the system’s power nodes in low Earth orbit at 1500 kilometers altitude. He detailed how the power beaming uses near-infrared and visible wavelengths compatible with both silicon and gallium arsenide solar cells, with different requirements for each type of cell. Philip suggested using the infrastructure to help satellites escape the atmosphere more easily, potentially reducing launch costs, which Andrew acknowledged as a promising use case, particularly for electric propulsion systems. Special thanks to our sponsors:American Institute of Aeronautics and Astronautics, Helix Space in Luxembourg, Celestis Memorial Spaceflights, Astrox Corporation, Dr. Haym Benaroya of Rutgers University, The Space Settlement Progress Blog by John Jossy, The Atlantis Project, and Artless Entertainment We use Zoom phone numbers for program participation. For real time program participation, email Dr. Space at: drspace@thespaceshow.com for instructions and access. The Space Show is a non-profit 501C3 through its parent, One Giant Leap Foundation, Inc. To donate via Pay Pal, use: To donate with Zelle, use the email address: david@onegiantleapfoundation.org. If you prefer donating with a check, please make the check payable to One Giant Leap Foundation and mail to: One Giant Leap Foundation, 11035 Lavender Hill Drive Ste. 160-306 Las Vegas, NV 89135 Upcoming Programs: Broadcast 4552: Zoom: Andrew Rush, CEO of Star Catcher | Friday 19 Jun 2026 930AM PT Guests: Andrew Rush Zoom: Andrew Rush, CEO of Star Catcher updates us with new developments. See https://www.star-catcher.com Sunday, June 21: No Program For Father’s Day | Sunday 21 Jun 2026 1200PM PT Guests: Dr. David Livingston No program due to Father’s Day Get full access to The Space Show-One Giant Leap Foundation at doctorspace.substack.com/subscribe

    1 u 7 m
  3. Manuel Cuba Leads The Space Show Wisdom Team in an Open Discussion

    4 dgn geleden

    Manuel Cuba Leads The Space Show Wisdom Team in an Open Discussion

    Due to bandwidth issues, there is no Zoom video for this program. The audio is being archived here and on The Space Show website for this date, www.thespaceshow.com. The Space Show Present Manuel Cuba with The Space Show Team for a general discussion, Sunday, 6-14-26 Meeting Summary: The meeting was a space show discussion hosted by David Livingston, with participants including Manuel, Philip, GuySchumann, Marshall, John Jossy, and Sherry. The main guest Cesar from Peru was expected to join but experienced technical difficulties connecting from the airport, so the group decided to reschedule his full interview. The participants discussed various space-related topics including SpaceX’s recent IPO, the government’s UAP document release, ISDC conference experiences, and NASA’s Artemis III crew selection. GuySchumann provided updates on his work in drought mitigation using space-based predictive analytics, while the group also shared insights about recent space conferences and debated whether crew weight and mass considerations might factor into lunar mission planning. Detailed Summary Manuel shared his positive experience attending AIAA in Washington D.C., describing it as worth every penny despite the high cost. The group discussed the potential duration of an upcoming show, with Manuel indicating it should be between 60 and 90 minutes and mentioning that Caesar would have significant content to share. The conversation briefly touched on SpaceX’s recent IPO and the mixed opinions from the financial community regarding its economic prospects and future quarterly reporting requirements. The group discussed David’s having seen the Spielberg movie, “Disclosure Day,” which explores the concept of “Disclosure Day” regarding extraterrestrials. David reviewed the movie positively, noting it features good acting and innovative storytelling, though he personally doesn’t share Spielberg’s precise views on extraterrestrials nor how disclosure day will take place, assuming it ever does take place. . Guy Schumann discussed a follow-up conversation with Chris Bures from his last program appearance with us when a listener from Las Vegas, Chris, engaged him and his company about water supply and drought issues in Nevada and the west, where Chris had offered to connect him with municipal and state contacts but the response status remained unclear. Guy explained that while they don’t currently have direct municipal contacts in Las Vegas, they partner with a Florida-based company to provide flood modeling and risk assessments for counties in the US, though this partnership is currently focused on Florida rather than the Western states. Marshall raised concerns about weather pattern challenges in Oklahoma, specifically the need to manage both drought and sudden heavy rainfall during harvest season, which Guy acknowledged as a widespread issue affecting both European and US agriculture. The group discussed challenges in predicting and preparing for extreme weather events, with GuySchumann highlighting the difficulty of predicting short-acting events and staying within community budgets. Marshall shared that his brother-in-law could significantly increase crop output with just four months of weather prediction, leading to a discussion about seasonal forecasting improvements enabled by AI and space data. GuySchumann described the rapid technological development in extreme weather prediction over the past five years, noting that progress has accelerated to the point where conferences are overwhelming due to the pace of innovation. The Wisdom Team discussed SpaceX’s recent IPO, with Philip noting that many retail investors are making long-term bets on space exploration rather than seeking immediate returns. Marshall expressed caution about buying shares until next week, while David mentioned plans to purchase shares for his trust to benefit his children. Manuel recommended reading Robert Zimmerman’s blog post about the IPO, though David thought Zimmerman was overly optimistic. John Jossy observed that space stocks were down on Friday, with some speculation that investors were selling other space companies to buy SpaceX shares. We talked at length about SpaceX’s IPO and Elon Musk’s public approach to his companies. GuySchumann shared his perspective on Musk’s vision for space exploration and how it could inspire public investment, comparing it to the excitement around early personal computers. The discussion touched on how Musk’s public persona and rhetoric might change due to SEC oversight, with GuySchumann suggesting he would be more careful out of a sense of responsibility to shareholders. The conversation also covered the regulatory challenges Musk would face as a public company CEO and the potential for litigation, while Marshall noted that Shotwell appears to be the next person in line for leadership at SpaceX. Phil reported that his presentation about moon-based data centers went well at ISDC, with good audience engagement and questions. He also mentioned other notable speakers including David Dillon from Electromagnetic Launch who discussed quench gun technology, and presentations about Venus colonization and biological methods for making structural components in space. David expressed frustration about Blue Origin’s reluctance to participate in his show, noting that the company prefers controlled environments where they can restrict discussion topics rather than facing an unpredictable audience. The group discussed keynotes from a recent space conference, including presentations by Harrison Schmidt, Lindy Tompkins, and Bill Diamond of SETI. Manuel shared insights from his attendance at the conference, where he met with Space Tango and a South Korean pharmaceutical company to explore low Earth orbit life sciences facilities and potential research opportunities with the Department of War. The participants also briefly discussed the recent U.S. government’s UAP document release, noting that while it generated some media attention, it didn’t receive widespread public focus. The group discussed the upcoming Spacecom conference in January in Florida, which Manuel found interesting due to its focus on satellite communication and launch systems. They also discussed the timing of the next SpaceX Starship test flight, which is targeted for July 2026, with speculation about whether it might coincide with the July 4th holiday. The conversation then shifted to discussing Keith Cowling, who received a Pioneer Award from NSS despite controversy, and the upcoming NSS elections where several space show personalities are running for positions. The team mentioned NASA’s selection of an all-male crew for the Artemis III mission, with Phil proposing a theory that the heavier male astronauts were chosen for this low-orbit mission to maximize payload capacity, while future missions might favor lighter crew members including women. The discussion included technical considerations about weight, oxygen consumption, and space requirements for astronauts, with David sharing insights from his scuba diving experience about how weight and gender can affect mission planning. The conversation ended with plans to reschedule Cesar’s interview. Special thanks to our sponsors:American Institute of Aeronautics and Astronautics, Helix Space in Luxembourg, Celestis Memorial Spaceflights, Astrox Corporation, Dr. Haym Benaroya of Rutgers University, The Space Settlement Progress Blog by John Jossy, The Atlantis Project, and Artless Entertainment We use Zoom phone numbers for program participation. For real time program participation, email Dr. Space at: drspace@thespaceshow.com for instructions and access. The Space Show is a non-profit 501C3 through its parent, One Giant Leap Foundation, Inc. To donate via Pay Pal, use: To donate with Zelle, use the email address: david@onegiantleapfoundation.org. If you prefer donating with a check, please make the check payable to One Giant Leap Foundation and mail to: One Giant Leap Foundation, 11035 Lavender Hill Drive Ste. 160-306 Las Vegas, NV 89135 Upcoming Programs: Broadcast 4552: Zoom: Andrew Rush, CEO of Star Catcher | Friday 19 Jun 2026 930AM PT Guests: Andrew Rush Zoom: Andrew Rush, CEO of Star Catcher updates us with new developments. See https://www.star-catcher.com Sunday, June 21: No Program For Father’s Day | Sunday 21 Jun 2026 1200PM PT Guests: Dr. David Livingston No program due to Father’s Day Get full access to The Space Show-One Giant Leap Foundation at doctorspace.substack.com/subscribe

    1 u 23 m
  4. The Space Show Presents Chris Carberry, Friday, June 12, 2026

    12 jun

    The Space Show Presents Chris Carberry, Friday, June 12, 2026

    This was a Space Show program featuring Chris Carberry, co-founder and CEO of ExploreMars, discussing space policy, Mars exploration, and his new book “Future Spacefaring Society.” Chris explained that Explore Mars has always been agnostic on launch vehicle selection, supporting both SLS/Orion and Starship/Blue Origin developments while advocating for lunar missions that deliberately advance Mars capabilities. The discussion covered current NASA budget challenges, the need for entry descent and landing technology development, and the potential for human settlement on Mars in the 2030s through a hybrid approach combining NASA and private sector capabilities. Chris also promoted the upcoming Humans to Moon and Mars Summit in Houston, Texas, which will focus on topics like food systems, commercial space capabilities, and physical/mental health challenges for lunar and Martian missions. Special thanks to our sponsors:American Institute of Aeronautics and Astronautics, Helix Space in Luxembourg, Celestis Memorial Spaceflights, Astrox Corporation, Dr. Haym Benaroya of Rutgers University, The Space Settlement Progress Blog by John Jossy, The Atlantis Project, and Artless Entertainment Our Toll Free Line for Live Broadcasts: 1-866-687-7223 (Not in service at this time) For real time program participation, email Dr. Space at: drspace@thespaceshow.com for instructions and access. The Space Show is a non-profit 501C3 through its parent, One Giant Leap Foundation, Inc. To donate via Pay Pal, use: To donate with Zelle, use the email address: david@onegiantleapfoundation.org. If you prefer donating with a check, please make the check payable to One Giant Leap Foundation and mail to: One Giant Leap Foundation, 11035 Lavender Hill Drive Ste. 160-306 Las Vegas, NV 89135 Upcoming Programs: Broadcast 4549 Zoom: Manuel Cuba & Cesar Santisteban | Sunday 14 Jun 2026 1200PM PT Guests: Manuel Cuba, Cesar Sa Santisteban Zoom: Manuel and Cesar or Peru space and more, Details to follow Get full access to The Space Show-One Giant Leap Foundation at doctorspace.substack.com/subscribe

    1 u 7 m
  5. The Space Show Presents Rick Fisher on Space, National Security, China, Asia, Tuesday, June 9, 2026.

    12 jun

    The Space Show Presents Rick Fisher on Space, National Security, China, Asia, Tuesday, June 9, 2026.

    The Space Show Presents Rick Fisher, Tuesday, June 9, 2026 Quick Summary The Space Show featured a discussion with national security consultant Rick Fisher about China’s space program and its implications for national security. Rick explained that space has become a major component of American global national security considerations, with China positioning itself either as a major antagonist or cooperative partner depending on Earth-based conflicts. He detailed China’s lunar program, including their Lanyue lunar lander and their manned capsule, while warning that Chinese dual-use systems on the moon could potentially extend Earth conflicts to lunar territory. The conversation covered China’s energy independence efforts through nuclear fission, space solar power, and fusion energy development, as well as their reusable rocket capabilities with 20-25 Chinese companies developing reusable launch vehicles similar to SpaceX’s approach. Rick also discussed the Artemis program’s goals of establishing a semi-permanent presence on the moon by 2036, requiring 79-81 space launches and approximately $30 billion in total investment. The discussion concluded with analysis of Taiwan’s potential response to Chinese aggression and the role of other Asian countries like India and Japan in balancing Chinese space ambitions. Detailed Summary David and Rick discussed the role of space in national security, particularly regarding China’s lunar program and its implications for Taiwan and the South China Sea. They also touched on UAPs (Unidentified Anomalous Phenomena), with John contributing insights about China’s interest in UAPs and the government’s handling of the topic. The conversation highlighted differing perspectives on the significance of UAPs and the potential motivations behind government secrecy regarding the subject. David, Rick, and John discussed concerns about Chinese influence and espionage in the United States, including allegations against politicians like Feinstein and a California politician. They questioned why such activities are tolerated despite being known. The conversation then shifted to SpaceX’s upcoming IPO and its performance. The conversation continued with the guest continuing to discuss China’s space program and its broader implications for national security. Rick discussed the increasing importance of space in American national security, particularly in relation to China’s space activities. He explained that space has become a determinant factor in global security, with both countries positioning themselves as either antagonists or cooperative partners. He praised President Trump’s focus on returning to the moon through the Artemis program as a way to deter conflict and secure American access to space. He noted that Trump’s second-term goal of establishing a permanent presence on the moon could help prevent conflicts not only on the moon but also in low Earth orbit and potentially on Earth. Rick was asked about China’s energy strategies and vulnerabilities, explaining that China’s reliance on oil passing through the Straits of Hormuz presents a strategic weakness. He detailed China’s multi-pronged energy approach including nuclear fission plants, space solar power research, and fusion energy development. When asked about space-based data centers, he indicated China is following the American trend with plans to launch such facilities in the near future, potentially on a large scale to support AI functions on Earth. The discussion was cut off before John’s question about potential lunar conflict could be addressed. Our guest discussed the potential risks and challenges associated with China’s lunar lander program, particularly regarding the Lanyue lunar lander and its propulsion stage, which could pose hazards to other lunar missions or bases. He highlighted the need for deconfliction and transparency from China regarding their lunar lander operations. Rick also mentioned the deployment of hopper drones by both the United States and China around the moon, noting the potential for these to be modified for combat purposes if tensions escalate on Earth. China’s potential space ambitions were brought to our attention, noting that if China were willing to use technology for political intimidation in low Earth orbit, they might extend similar activities to lunar or Martian environments. John suggested that getting to space first could provide an advantage in staking territorial claims. Dr. Kothari asked three questions about China’s plans: circumnavigating the moon with astronauts in 2027, deploying thorium molten salt reactors for terrestrial use, and developing reusable rockets. Rick acknowledged limited knowledge about China’s reactor plans but noted that China has 20-25 companies working on reusable space vehicles, with the potential for first stage recovery this year. Rick discussed China’s space launch vehicle developments, focusing on the Long March 12, Long March 10, and the proposed Long March 9. He explained that Long March 10 could become a popular reusable launch vehicle, while the three-stage Long March 9, if developed, would be the world’s most powerful space launch vehicle with a massive 19-meter payload fairing. Rick speculated that China might be developing the three-stage Long March 9 to avoid the complexity of low Earth orbit refueling required for Elon Musk’s Starship, though he acknowledged that many technical details about its feasibility remain unknown. Rick discussed the potential impact of China’s Long March 9 rocket on SpaceX’s Starship, noting that while the first stage would be reusable, it remained unclear whether China would pursue reusability for the second stage. When asked about credible resistance movements in China, Richard explained that while there is a will among some people to resist the government, the Chinese Communist Party effectively prevents such movements through extensive digital surveillance and control systems. He compared China’s digital surveillance capabilities to Iran’s and highlighted how Israel’s ability to take control of Iran’s digital systems and use them against the regime should serve as a warning to China about potential threats from Taiwan and Israel. Ajay asked Rick about Taiwanese opinions on potential reunification with China. Rick explained that while many Taiwanese benefit economically from China relations, over 90% of the population values their democratic freedoms and would not willing give them up to become part of a Chinese communist dictatorship. He noted that the Chinese Communist Party’s failure to acknowledge historical atrocities under Mao, including the deaths of 50-70 million people, undermines their historical appeals to Taiwanese people. Rick talked about the potential for Asian and oceanic countries like India and Australia to balance China’s space activities through collaboration with the United States and the Artemis program. He noted that as these countries develop their own heavy launch vehicles, they will gain more autonomy to pursue lunar and Mars programs independently of potential Chinese-American conflicts. Richard also praised NASA’s Artemis program revealed on March 23, which aims to establish a semi-permanent presence on the moon by 2036 through 79-81 space launches and $30 billion total investment, describing it as essential for winning the race to the moon and potentially deterring Chinese aggression. Our guest also discussed the relationship between China’s space program and the US, noting that while competition exists, cooperation could follow a similar path to Cold War-era US-Soviet relations. He expressed confidence that the Artemis program would continue regardless of political party in power, though funding levels might vary. Richard believed the program would maintain strategic importance in the Earth-Moon-Mars system and would only be disrupted by major global conflicts. The conversation ended with David thanking Rick for his participation and discussing upcoming shows featuring Chris Carberry from Explore Mars and guests from Peruvian satellite systems and Luxembourg. Special thanks to our sponsors:American Institute of Aeronautics and Astronautics, Helix Space in Luxembourg, Celestis Memorial Spaceflights, Astrox Corporation, Dr. Haym Benaroya of Rutgers University, The Space Settlement Progress Blog by John Jossy, The Atlantis Project, and Artless Entertainment Our Toll Free Line for Live Broadcasts: 1-866-687-7223 (Not in service at this time) For real time program participation, email Dr. Space at: drspace@thespaceshow.com for instructions and access. The Space Show is a non-profit 501C3 through its parent, One Giant Leap Foundation, Inc. To donate via Pay Pal, use: To donate with Zelle, use the email address: david@onegiantleapfoundation.org. If you prefer donating with a check, please make the check payable to One Giant Leap Foundation and mail to: One Giant Leap Foundation, 11035 Lavender Hill Drive Ste. 160-306 Las Vegas, NV 89135 Upcoming Programs: Broadcast 4548: Zoom: Chris Carberry | Friday 12 Jun 2026 930AM PT Guests: Chris Carberry Zoom: Chris Carberry of Explore Mars, see discussion details on blog and Substack later this week. Broadcast 4549 Zoom: Manuel Cuba & Cesar Santisteban | Sunday 14 Jun 2026 1200PM PT Guests: Manuel Cuba, Cesar Sa Santisteban Zoom: Manuel and Cesar or Peru space and more, Details to follow Get full access to The Space Show-One Giant Leap Foundation at doctorspace.substack.com/subscribe

    1 u 6 m
  6. Dr. Eligar Sadeh returns as the guest to The Space Show

    3 jun

    Dr. Eligar Sadeh returns as the guest to The Space Show

    Dr. Eligar Sadeh, Tuesday, May 5, 2026, #4535 Quick summary The Space Show featured a discussion with Eligar Sadeh, editor of the Journal of Astropolitics, about the recent Space Symposium in Colorado Springs and cislunar space governance. Sadeh explained how the symposium focused heavily on establishing U.S. dominance in cislunar space, particularly through the Artemis program, with emphasis on being the first mover in establishing governance structures and rules of engagement. The discussion covered concerns about NASA science budget cuts, the sustainability of the Space Launch System, and the role of public-private partnerships in lunar development. Sadeh noted that while the U.S. space community emphasized military and strategic priorities, international scholars, particularly from developing space nations, were increasingly contributing to astropolitical research through his journal. The conversation also touched on challenges with Starlink satellite congestion and the potential for space asset disruption, though Sadeh emphasized the importance of establishing international governance frameworks to prevent harmful interference in space. Detailed Summary Eligar discussed his recent activities, including his work as an adjunct professor at the University of Colorado, his involvement with the journal Astropolitics, and his focus on lunar governance and astropolitics. He highlighted the growing interest in cislunar space and lunar governance, noting a significant increase in paper submissions to the journal and plans for a special issue and international conference on the topic. Eligar also mentioned the prominent role of defense and military interests in the current space industry, particularly with the Space Force’s increasing budget and focus on space superiority. The conversation touched on personal updates, including Eligar’s children’s current activities and his relationship status. Eligar discussed the emerging focus on cislunar space at a recent space symposium, highlighting the strategic importance of establishing governance structures and securing gravitational high ground in the Earth-Moon system. He noted that while the Artemis program aims for aggressive lunar exploration and potential human habitation by 2032, there are significant challenges with the Space Launch System’s sustainability and the reliance on new commercial capabilities like SpaceX’s Starship. Eligar emphasized that the civil program appears to be a cover for establishing U.S. superiority in the cislunar domain, particularly in response to geopolitical competition with China and Russia. The discussion focused on concerns about proposed NASA science cuts and their impact on the space community. Eligar noted that while there was awareness of these cuts during networking discussions at the Space Symposium, there was limited pushback, with many participants appearing to align with the Trump administration’s direction. The conversation then shifted to broader governance challenges in the cislunar domain, with Eligar emphasizing the need for maintaining space as a commons and establishing rules for interoperability among the 62 states participating in the Artemis program. The discussion concluded with a reference to a 20-year-old paper co-authored by Eligar and David on public-private partnerships in lunar development, which remains relevant to current space governance challenges. Eligar discussed the challenges of establishing a permanent lunar presence, highlighting issues such as freedom of movement, resource utilization, and the harsh lunar environment, including metallic and adhesive dust. He emphasized the need for reusable and sustainable lunar transportation systems, suggesting that achieving a cost of $100 per kilogram with Starship could be crucial. Eligar also explained the concept of cislunar space as the gravitational high ground incorporating Lagrange points between Earth and the Moon, which provides access to various orbital domains and the lunar surface. Joe noted the disconnect between desired goals and current capabilities, advocating for increased repetition in accessing lunar space to support a permanent presence. The discussion focused on NASA’s lunar mission plans and budget constraints. Joe expressed concerns that the Moon Enterprise would likely crowd out other NASA programs due to limited congressional funding, similar to previous large initiatives like the Space Shuttle and International Space Station. Eligar agreed that SLS is not sustainable, noting it’s only planned for up to Artemis 5 with a cadence of one launch per year, and emphasized the geopolitical aspects driving the lunar race, including the need for reusable transportation systems and establishing a presence in the Aitken Basin for potential mining opportunities. The discussion focused on the Space Symposium’s emphasis on getting to the lunar surface first rather than focusing on sustainability or cost efficiency. Eligar noted that while there was general support for the Artemis program and Accords, there was limited discussion about alternative lunar surface models or modifications to the current Artemis plan. The conversation highlighted a potential disconnect between the symposium’s rhetoric about achieving rapid progress and budgetary realities, including concerns about over-reliance on Starship variants and cuts to science programs. John suggested that the science program cuts might be a strategic budget maneuver similar to defense programs, with the expectation that Congress would eventually restore funding. Eligar discussed NASA’s proposed permanent lunar presence around 2030 and debated various technical choices in rocket design and propulsion. The conversation then shifted to concerns about space congestion, particularly with multiple satellite constellations being planned by different countries, though Eligar noted that cislunar space remains decades away from similar congestion issues. David raised questions about the global scope of the astropolitics journal, with contributions coming from scholars in developing space states who are focused on using space for socio-economic development rather than military dominance. The group discussed perceptions of Jared Isaacman and NASA’s leadership in space governance, particularly regarding the Artemis program. Eligar explained that while there are good ideas in the current approach, there are concerns about U.S. dominance in space policy, noting a European concept of “equivalence” where different countries could develop governance approaches independently while maintaining interoperability standards. The discussion highlighted the tension between U.S. efforts to establish space superiority and the need for international cooperation, with Joe emphasizing that China and the U.S. are the dominant powers in space, making other countries effectively choose between aligning with one of these powers. We also discussed the growing importance of satellite communication systems for military purposes, with Joe noting that multiple countries are developing Starlink-like systems following the Ukraine war. They explored the challenges of denying access to these systems and the potential for kinetic attacks on satellites, with Eligar emphasizing the importance of establishing governance structures and rules of the road in space. The discussion concluded with Eligar providing an update on the journal Astropolitics, which is growing in influence among emerging space powers and has expanded its editorial board with new members including someone from the Romanian Space Agency. Eligar then mentioned plans for a special issue of Astropolitics journal focused on lunar astropolitics, governance strategy, and policy dynamics in cislunar space, with a global conference planned for early next year and publication expected in a year to year and a half. He agreed to provide David with contact information for potential guests for the Space Show and discussed the possibility of updating a previous article with Haym and himself in the fall. Regarding the timeline for returning humans to the Moon, Eligar expressed doubt about the 2028 target, suggesting 2030 would be more realistic due to ongoing challenges with the lunar landing vehicle. The group discussed public-private partnerships in space, with Eligar noting that realistic timelines for landing vehicles are now around 2030 rather than 2028 due to delays on both Blue Origin and SpaceX sides. Joe raised questions about international public-private partnerships, particularly in countries like India, while Eligar shared insights about emerging space capabilities in countries like Brazil, Cambodia, Thailand, and Indonesia. The discussion concluded with plans to follow up on these topics in a future issue of Astropolitics journal, with Eligar offering to rewrite and get the paper peer-reviewed. Special thanks to our sponsors:American Institute of Aeronautics and Astronautics, Helix Space in Luxembourg, Celestis Memorial Spaceflights, Astrox Corporation, Dr. Haym Benaroya of Rutgers University, The Space Settlement Progress Blog by John Jossy, The Atlantis Project, and Artless Entertainment We use Zoom phone numbers for program participation. For real time program participation, email Dr. Space at: drspace@thespaceshow.com for instructions and access. The Space Show is a non-profit 501C3 through its parent, One Giant Leap Foundation, Inc. To donate via Pay Pal, use: To donate with Zelle, use the email address: david@onegiantleapfoundation.org. If you prefer donating with a check, please make the check payable to One Giant Leap Foundation and mail to: One Giant Leap Foundation, 11035 Lavender Hill Drive Ste. 160-306 Las Vegas, NV 89135 Upcoming Programs: Please note that due to out of town guests for a family party, our next live Space Show program will be June 9, Tuesday, 7 PM PDT. Please check the Upcoming Show Menu on our home page for updates

    1 u 37 m
  7. The Space Show Presents the May 3, 2026 Open Lines Discussion

    30 mei

    The Space Show Presents the May 3, 2026 Open Lines Discussion

    The Space Show Presents Open Lines Discussion Today, Sunday, 5-3-26 Quick Summary: This meeting focused on open discussion topics in space exploration and national security. Bob shared speculation about a potential SpaceX acquisition of 200+ square miles of land in Louisiana for data centers and manufacturing facilities, though this remained unconfirmed. The group extensively discussed the Artemis 3 mission delay, with participants debating the challenges of SLS rocket assembly versus SpaceX’s Starship development approach. Ajay raised significant concerns about Russia’s nuclear-powered missile program, specifically the Burevestnik missile tested in October 2025, which he described as difficult to detect and potentially dangerous. The conversation also touched on nuclear power applications for data centers and military bases, with Dr. Ajay mentioning new small modular reactor companies emerging in the market. The discussion concluded with debate about defense strategies against such nuclear capabilities and the current state of hypersonic weapons development. Detailed Summary: Bob discussed a speculative story about SpaceX potentially acquiring a 200-square-mile piece of land in Louisiana, which could be used for data centers, satellite manufacturing, and Starship production. He noted that this would allow SpaceX to shift operations away from California. The conversation concluded with a mention of Artemis 3’s delay and a brief reference to Robert’s recent article about the potential Louisiana land acquisition. David announced that Robert would be scheduled for a show on May 26th at 6 PM, and discussed upcoming shows including Dr. Eligar Sadeh returning on Tuesday to discuss Astropolitics journal reviewing opportunities. The group briefly discussed unconfirmed news about Elon Musk’s salary and potential Mars colonization plans, though Bob repeated that much of this information was speculative. David also mentioned upcoming shows including an ISDC episode with Rod Pyle and Aggi Kobrin on May 12th. Bob shared unconfirmed rumors that SpaceX may be acquiring approximately 136,000 acres of coastal Louisiana marshland near Pecan Island for potential data centers and manufacturing facilities. The discussion explored the strategic benefits of this location, including proximity to intercoastal waterways, power infrastructure, and natural gas facilities, though participants noted concerns about launch debris dispersion and local community impact. The group acknowledged this was speculative information pending official confirmation from SpaceX. The group discussed the delay of the Artemis III mission, with Bob explaining that both Blue Origin and SpaceX requested additional time to prepare their landers for an Earth-orbiting test mission. Robert noted that this delay would impact the scheduling of subsequent Artemis missions in 2028, as SLS rockets can only be assembled one at a time using a single mobile launcher. The discussion compared SLS and Starship assembly processes, with Joe highlighting how SLS involves numerous complex steps due to its design requirements, while Starship’s assembly is more streamlined. Bob concluded that Jared Isaacman’s goal is to demonstrate SLS’s limitations over the next two years, potentially paving the way for Starship and New Glenn rockets to replace SLS in the future. The group discussed the competitive dynamics between SLS and Starship programs, with different perspectives on NASA’s intentions. Phil and Joe had a different view, suggesting NASA believed SLS could beat Starship if it increased production rates faster. The discussion also covered technical aspects of Starship’s design, with Ajay raising concerns about the high dry weight requiring multiple refueling trips to the moon, while Marshall and others highlighted the importance of SpaceX’s new launch facilities in enabling frequent launches. The group discussed different approaches to refueling a lunar mission depot, with Ajay presenting a plan involving expendable tankers while Phil and Bob described a reusable tanker concept aligned with SpaceX’s philosophy. Ajay cited NASA and Aerospace Corporation analyses suggesting 10-16 refueling launches would be needed with expendable tankers, though the group noted these estimates were based on V2 configurations rather than the more efficient V3. Bob defended SpaceX’s approach, emphasizing the company’s focus on reusability and rapid launch capabilities, while acknowledging that current payload limitations might require temporary use of expendable vehicles if development timelines don’t meet requirements by mid-2027. The group discussed SpaceX’s Starship program and its potential, with Ajay cautioning against extrapolating success from Falcon 9 to other projects. David interrupted the Starship-focused discussion to broaden the conversation, particularly wanting Ajay to share insights about a new Russian nuclear-powered missile system that can fly at low altitudes and evade detection. Ajay explained that this missile system, demonstrated on October 21, poses a significant threat as it cannot be detected by current defense systems and could potentially remain airborne for extended periods. When asked about countermeasures, Ajay indicated he had provided suggestions to defense departments but could not share details in the open forum. Ajay discussed his work on hypersonic and nuclear power applications, highlighting his experience since 1990 and recent developments in nuclear power plants. He mentioned new companies like ILO Atomics and Astra working on 10-megawatt power plants for data centers, which could be factory-built within a year. Ajay also shared his conversations with senators about the Burevestnik missile and his meeting with Jared at Mar-a-Lago, where he inquired about the Falcon Heavy idea. Marshall raised concerns about the time required for permits for nuclear power plants, to which Ajay responded that recent executive orders have reduced the timeline to 3-6 months. The discussion focused on nuclear power applications, particularly small modular reactors and micro-reactors. Ajay explained his work on a 25-megawatt thermal power plant design and discussed the military’s micro-reactor program, noting that molten salt reactors would be more suitable than pressurized water reactors for energy applications. The conversation also addressed hypersonic missile technology, with Ajay clarifying that current U.S. hypersonic programs use rocket-boosted systems with limited range, distinguishable from the nuclear-powered hypersonic missiles discussed in the context of Russian weapons. John Hunt suggested that developing such nuclear-powered systems might not be a priority for the U.S. given existing deterrent capabilities and potential public opposition. The group discussed Russia’s nuclear-powered missile development, specifically the Burevestnik missile tested on October 21, 2025, which flew for 15 hours at subsonic speeds and demonstrated capabilities to evade missile defenses. Ajay emphasized the danger of these nuclear-capable missiles, noting their ability to approach from any direction and their challenging detection due to flying at low altitudes. cautioned that Russia’s technical competence with high-tech projects should be viewed with skepticism, though acknowledged the need to address these developments. The discussion concluded with Dr. Ajay expressing skepticism about fusion energy timelines and advocating for Generation 4 nuclear reactors, particularly molten salt reactors using thorium or uranium-233. The group discussed thorium reactors and fusion technology. Ajay explained that China copied thorium reactor technology from Oak Ridge National Lab in the 1960s, but development was halted due to lack of plutonium production, despite its potential for clean energy. The discussion covered fusion for space applications, with Ajay expressing skepticism about the feasibility of Pulsar Fusion’s proposed system due to the high energy requirements and weight constraints for space travel. The conversation also touched on the challenges of space-based data centers, with participants questioning the practicality of using space for cooling purposes given existing technical limitations. The group discussed space-based data centers and energy transmission methods. Joe explained that Overview Energy, backed by Meta, is exploring using infrared lasers to transmit energy from space to ground-based solar farms. Bob highlighted that while space data centers may not be economically viable, they could drive significant launch demand and benefit the aerospace industry. The discussion also touched on the massive capital expenditure plans of major tech companies, with Joe noting that approximately $750 billion in capital expenses could potentially include space-based data center projects, creating new opportunities for rocket companies. The group discussed the challenges of cooling data centers in space, with Ajay explaining that radiating heat into space requires large radiators due to the lack of convection and conduction in vacuum. Joe noted that operating chips at higher temperatures could reduce the size of radiators, but this would negatively impact performance. The discussion also covered nuclear propulsion options for space travel, with Ajay expressing skepticism about the feasibility of implementing nuclear electric propulsion for the planned Mars mission within the proposed timeline. The group agreed that nuclear thermal propulsion, while more efficient, would require significant development time and testing. (Summary provided by Zoom AI). Special thanks to our sponsors:American Institute of Aeronautics and Astronautics, Helix Space in Luxembourg, Celestis Memorial Spaceflights, Astrox Corporation, Dr. Haym Benaroya of Rutgers University, The Space Settlement Progress Blog by John Jossy, The Atlantis Project, and Artless Entertainment We use Z

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  8. The Space Show Presents Shubber Ali, Founder of Space Cynics

    29 mei

    The Space Show Presents Shubber Ali, Founder of Space Cynics

    The Space Show Presents Shubber Ali, Sunday, 4-19-26 Quick Summary: This Space Show program featured Shubber Ali, the original founder of Space Cynics, discussing his return to critiquing space industry claims and over hyping. Shubber explained how Space Cynics began in the mid-2000s as a blog focused on questioning exaggerated claims about space technology, particularly around reusable rockets and commercial space ventures. The discussion centered heavily on Shubber’s criticism of current space projects, including Elon Musk’s data center plans in space, orbital mirrors for solar power, and space-based solar power systems. Shubber argued these projects were economically unfeasible due to launch costs, engineering challenges, and unrealistic timelines, using detailed calculations to demonstrate why proposed constellations would take decades to deploy rather than the claimed 5-year timeframes. The conversation also touched on NASA’s Artemis program, government debt concerns, and the challenges of space colonization, with Shubber expressing skepticism about many current space industry promises while acknowledging the long-term potential for space development. Detailed Summary: The Wisdom Team discussed the background of Shubber Ali, who joined the meeting late due to a family commitment. They shared memories of past encounters, including a NASA Ames event and Shubber’s work on the X33 “Adventure Star” project 25 years ago. The conversation touched on personal updates, including Shubber’s recent move from California to Maryland and his company’s location in Maine. The conversation ended with a brief discussion about potential future topics to cover, including data centers and reflecting mirrors, though the specific focus was not finalized. David welcomed Shubber Ali to the Sunday Space Show to discuss the resurrection of Space Cynics, a blog and award system that Shubber had originally founded in the mid-2000s. Shubber explained that Space Cynics focused on critiquing outlandish claims made by space companies, particularly through their “Walking Eagle Award” given to companies making unrealistic promises. Shubber shared his background working at KPMG in the 1990s, where he managed a space consulting team that produced the first annual State of the Space Industry report in collaboration with SpaceVest and other partners. The discussion began to cover the history of RLV (Reusable Launch Vehicle) companies from that era, though the transcript ended before this topic was fully explored. Shubber discussed the history of reusable rockets and space industry economics, highlighting how SpaceX’s success demonstrated the viability of reusable technology despite earlier failures like the Space Shuttle program. He criticized current space industry hype, particularly around data centers in space, explaining that such projects face significant challenges in physics, engineering, and timeline feasibility. Shubber provided specific calculations showing that deploying a large constellation of data center satellites would take decades, not the 5-year timeline often proposed, and emphasized that basic mathematical analysis could disprove many space industry claims. Shubber expressed skepticism about Elon Musk’s business ventures, particularly SpaceX and the Boring Company, arguing that while Musk has vision and funding, the actual execution relies heavily on his team. Shubber criticized the overvaluation of AI companies, claiming there’s a significant bubble in the AI industry that will likely burst, with most AI applications being overhyped and overvalued. Philip disagreed, arguing that AI provides real value through productivity gains in areas like document drafting and research, though Shubber countered that these benefits are limited and often require significant human correction due to AI errors and hallucinations. Next, the discussion focused on evaluating business proposals and technological ideas, particularly around supply and demand economics. Shubber explained his approach to identifying problematic business projections, emphasizing how increased supply typically leads to lower prices unless demand grows commensurately. The conversation also addressed Elon Musk’s Hyperloop concept, with AJ suggesting it was a bad idea without providing specific economic reasoning, which led to moderation intervention from David to keep the discussion focused on Shubber’s planned topics. The discussion concluded with technical considerations around satellite positioning and space-based solar power challenges. We talked about the feasibility of space-based solar power, with Shubber and Phil both expressing skepticism about the technology’s practicality in the near term. Shubber emphasized engineering challenges including launch costs, construction of large structures at geostationary orbit, and the inability to service equipment there, while Phil focused on economic inefficiencies due to energy conversion losses and high launch costs. The conversation also covered the status of space hotels, with David sharing insights about Bob Bigelow’s withdrawal from the space hotel business following personal tragedy, and the group debated the value and hype surrounding NASA’s Artemis program, particularly regarding the SLS rocket and moon missions The team discussed the Artemis program and NASA’s budget challenges. Shubber criticized the SLS project as inefficient and suggested opening it up to commercial competition. The conversation then shifted to the national debt and unfunded liabilities, particularly regarding Social Security. Shubber explained the financial challenges of the current system and expressed skepticism about proposed solutions like moving Social Security to a cryptocurrency system. The discussion concluded with a brief mention of orbital mirrors and their potential applications, though Shubber expressed doubts about their practicality and use cases. The group discussed the feasibility and business case of using orbital mirrors to provide artificial sunlight, particularly for solar farms. Shubber and Philip analyzed the technical requirements, including the size of mirrors needed and the challenges of maintaining continuous sunlight. The discussion also touched on environmental impacts, including effects on agriculture and wildlife, and the long-term prospects for human space colonization, with Shubber suggesting that while space colonization may be necessary in the very long term, current public interest in returning to the moon remains limited. The group discussed space tourism and commercial space missions. They clarified that while Axiom missions have taken approximately 16 people to the ISS, these were not traditional space tourists but rather business investors funding scientific research. The conversation then shifted to GRU Space, a company claiming to develop the first lunar hotel, though participants expressed skepticism about its credibility and media presence. The discussion concluded with Shubber outlining a framework for evaluating space business proposals based on physics, engineering, and economics principles. The discussion focused on the challenges and realities of space technology investments, particularly regarding StarCloud’s satellite project. Shubber explained how companies like StarCloud secure funding through connections and hype rather than proven technology, contrasting them with older-style VCs like Ed Tuck who focused on legitimate due diligence. The conversation then shifted to nuclear energy, where Shubber expressed support for nuclear power while noting that regulatory and construction challenges, rather than technical feasibility, are the main obstacles. The discussion concluded with a debate about the role of space advocates, where Shubber emphasized the importance of balancing ambitious vision with realistic timelines to maintain credibility and avoid damaging the broader space industry through unwarranted hype. The declining quality in journalism and scientific reporting was a topic. Shubber shared his experience of discovering that even respected publications like Scientific American contained inaccurate information, leading him to question the credibility of mainstream media. David described how his experience as a parent of a child with cystic fibrosis revealed widespread miscommunication between journalists and scientists, with researchers confirming that journalists often misunderstood their work. The discussion concluded with Ajay expressing concern about increasing dishonesty in scientific research, though Shubber clarified that the core scientific method remains sound and that issues arise when researchers prioritize agenda-driven outcomes over objective truth. The group discussed the challenges of modern engineering and space technology, particularly focusing on SpaceX’s Starship development and the complexity of creating new products compared to historical examples like the Model T. Shubber mentioned his plans to write an upcoming OP-ed about space exploration and financial concerns, comparing the current situation to Britain before the fall of Singapore. The conversation concluded with a discussion about the likelihood of experiencing the Kessler syndrome by 2050, with participants expressing varying levels of optimism about humanity’s ability to prevent such a scenario. Special thanks to our sponsors:American Institute of Aeronautics and Astronautics, Helix Space in Luxembourg, Celestis Memorial Spaceflights, Astrox Corporation, Dr. Haym Benaroya of Rutgers University, The Space Settlement Progress Blog by John Jossy, The Atlantis Project, and Artless Entertainment We use Zoom phone numbers for program participation. For real time program participation, email Dr. Space at: drspace@thespaceshow.com for instructions and access. The Space Show is a non-profit 501C3 through its parent, One Giant Leap Foundation, Inc. To donate via Pay Pal, use

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The Space Show® focuses on timely and important issues influencing the development of outer-space commerce and space tourism, as well as other related subjects of interest to us all. doctorspace.substack.com

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