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SciTech Brief · September 17 · 2 min

Why moon cities will run dry

No Cities on the Moon: Why Lunar Water Limits Our Space Dreams Harvard-Smithsonian astrophysicists challenge Elon Musk and Jeff Bezos' visions of lunar metropolises due to scarce ice reserves. Can humans build self-sustaining metropolises on the Moon? In this episode, we break down a reality-checking study published in Frontiers in Space Technologies by Harvard–Smithsonian Center for Astrophysics (CfA) scientists Martin Elvis and Jonathan McDowell. While space visionaries like Elon Musk and Jeff Bezos envision cities of one million people and heavy industry on the lunar surface, researchers warn that limited water ice reserves in shadowed polar craters present a severe bottleneck. Even assuming an optimistic baseline of one billion tons of water and 98% ISS-style recycling, a city of one million would run dry in roughly a century—and in just a few years under current realistic estimates of 34 million tons. We also explore why energy generation isn't an issue—thanks to kilometer-tall solar towers on illuminated crater rims—and why a smaller "Moon Village" of 1,000 people is a far more realistic future. #MoonBase #LunarCity #SpaceExploration #HarvardAstrophysics #ElonMusk #JeffBezos #MoonWater #FrontiersInSpaceTechnologies #Astronomy #SpaceColonization Become a supporter of this podcast: https://www.spreaker.com/podcast/scitech-brief--6846358/support. This episode includes AI-generated content.

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show notes

No Cities on the Moon: Why Lunar Water Limits Our Space Dreams  

Harvard-Smithsonian astrophysicists challenge Elon Musk and Jeff Bezos' visions of lunar metropolises due to scarce ice reserves.  

Can humans build self-sustaining metropolises on the Moon? In this episode, we break down a reality-checking study published in Frontiers in Space Technologies by Harvard–Smithsonian Center for Astrophysics (CfA) scientists Martin Elvis and Jonathan McDowell. While space visionaries like Elon Musk and Jeff Bezos envision cities of one million people and heavy industry on the lunar surface, researchers warn that limited water ice reserves in shadowed polar craters present a severe bottleneck. Even assuming an optimistic baseline of one billion tons of water and 98% ISS-style recycling, a city of one million would run dry in roughly a century—and in just a few years under current realistic estimates of 34 million tons. We also explore why energy generation isn't an issue—thanks to kilometer-tall solar towers on illuminated crater rims—and why a smaller "Moon Village" of 1,000 people is a far more realistic future.  

#MoonBase #LunarCity #SpaceExploration #HarvardAstrophysics #ElonMusk #JeffBezos #MoonWater #FrontiersInSpaceTechnologies #Astronomy #SpaceColonization

Become a supporter of this podcast: https://www.spreaker.com/podcast/scitech-brief--6846358/support.

This episode includes AI-generated content.
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