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To Build a City on Mars, We Might Need to Plunder the Asteroid Belt

Rome wasn’t built in a day, and a city on Mars is likely going to take even longer to build than Rome itself. At the time of the first Martian colonists, it is likely that the entirety of humanity’s industrial capacity, including the infrastructure to make critical materials like metals, will be based in the Earth-Moon system. While Mars has some iron, it also lacks many of the materials needed to make advanced materials, like boron and molybdenum. To alleviate that resource bottleneck, a new study, available in pre-print on arXiv and led by Serena Suriano and a team of researchers, offers a workaround that seems obvious in theory but difficult in practice - mine the necessary material from Main Belt asteroids.

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