"UNTIL RECENTLY, 'space' and greed' didn't often turn up in the same sentence," writes Martin Elvis, an astrophysicist at the Center for Astrophysics, Harvard & Smithsonian,in Asteroids. "Space is too noble an enterprise to connect with filthy lucre." That's changing, and fast, Elvis says in this provocative look at the future of asteroid mining and other space industries. In recent years, myriad start-ups have arisen that aim to make a profit beyond Earth.
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