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In this week’s episode of Space Minds, Bhavya Lal, the former acting Chief Technologist at NASA explains how nuclear power could unlock humanity’s next giant leap in space.
Our interview with Bhavya Lal, a prominent voice in space policy, delves deeply into the conversation around nuclear power in space. It begins with a historical overview, citing projects like Orion and NERVA from the 1950s and 60s that envisioned nuclear propulsion for interplanetary missions. Lal underscores how nuclear space exploration has long been discussed but has struggled to gain sustained investment and progress, often stalling due to overambitious goals, lack of demand, cultural fears, and infrastructure gaps.
A key part of the discussion centers on the immense energy density of nuclear power compared to conventional methods, which makes it especially valuable for long-duration space missions, such as to Mars or beyond. Lal emphasizes that solar power becomes increasingly inefficient the farther we venture from the Sun, making nuclear energy essential for propulsion, habitats, and industrial activities in deep space. She also highlights how countries like Russia have already launched several nuclear reactors for space use, motivated by strategic military needs.
From a geopolitical perspective, Lal stresses the need for the U.S. to treat nuclear space power as a strategic priority, noting how rivals like China are integrating fission reactors into their lunar base plans. She calls for a “crawl, walk, run” approach to developing robust space nuclear infrastructure, beginning with small-scale tests in Earth orbit and scaling up.
Our interview ends on a personal note, with Lal recounting her childhood inspiration from the 1969 moon landing and her father’s influence. She discusses the emotional and inspirational power of space exploration, especially in motivating youth to pursue STEM, and reflects on how her passion for preserving humanity ultimately brought her back to a career in space policy.
And don’t miss our co-hosts’ Space Take on important stories.
Show notes and transcript
Click here for Notes and Transcript
About Space Minds
Space Minds is a new audio and video podcast from SpaceNews that focuses on the inspiring leaders, technologies and exciting opportunities in space.
The weekly podcast features compelling interviews with scientists, founders and experts who love to talk about space, covers the news that has enthusiasts daydreaming, and engages with listeners. Join David Ariosto, Mike Gruss and journalists from the SpaceNews team for new episodes every Thursday.
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