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John S. Lewis On the Space Commodities Market

Aug 23

John S. Lewis — Deep Space Industries’ chief scientist, author, and University of Arizona professor — speaks in an interview with Air & Space magazine about the practicalities and possibilities of deep-space mining, a topic on which he is unapologetically bullish. He points out, though, that some of the artist’s-conception version of space mining skips over some of the economic realities of getting back to Earth metals that are scarce here. From the interview: But—and here’s the big conditional—if we develop an industrial capability in space such that we’re processing large amounts of metals to make solar-powered satellites, for example, then as a byproduct, we would have very substantial quantities of platinum-group metals, which are extremely valuable. So if you have a market for the iron and the nickel in space, that would liberate the precious metals to be brought back to Earth. So the scheme is not based on the idea of retrieving platinum-group metals—that is simply gravy.”


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