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News & Events

 September 7, 2017

Climate change for aliens

In February NASA astronomers discovered­­ seven Earth-like planets, potentially harboring life, orbiting the star TRAPPIST-1, not too far from Earth.

Scientists have yet to discover life, or evidence of civilizations, on these or other planets. But in the search for extra-terrestrial intelligence, they often categorize hypothetical worlds according to the amount of energy their inhabitants could potentially harness.