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What will humans eat on Mars?

via Smithsonian

If you ask Elon Musk, private space travel could be a reality in the next year, and a self-sustaining city on Mars is not far off. In the meantime, planetary scientist Kevin Cannon and his colleagues at the University of Central Florida are less concerned with the Starship that will launch passengers into orbit and more interested in how to feed a potential human settlement on Mars. In their recent paper “Feeding One Million People on Mars,” Cannon and Daniel Britt modeled a path toward self-sufficiency for one million settlers over the course of 100 Earth years—taking into account caloric intake per person, imported food in the early years, and necessary infrastructure, like pressurized food production facilities and underground tunnels for growing plants with LED lighting and sunlight piped in.

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