Alvaro DominguezOne day, when earth is destroyed by war or rising seas or a wayward asteroid, humanity will be extinguished—and along with it reality television, baseball stadiums, and thousands of recipes for guacamole, with and without peas. Unless, that is, we’ve established a colony somewhere in space. “History has shown that extinction events happen on Earth,” Pat Troutman, a senior technologist at NASA’s Langley Research Center, told me. “We need to establish a second independent biosphere for the future of humanity.” That idea may sound far-fetched, but scientists are working hard to make it a reality. What would it take, …read more
Source: The Atlantic