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Possible Extra-Terrestrials Just 235 Trillion Miles Away

Astronomers have announced the discovery of several Earth-size planets orbiting a cool red dwarf star named Trappist-1 about 40 light years, or just 235 trillion miles, from Earth (quite close in cosmic terms). Some of these could have water on their surfaces, meaning that life on those planets is a real possibility. Reports the New York Times:

There is not just one, but seven Earth-size planets that could potentially harbor life have been identified orbiting a tiny star not too far away, offering the first realistic opportunity to search for signs of alien life outside our solar system.