Friday, June 27, 2014

How We Could Find Aliens By Looking For Their Pollution

How We Could Find Aliens By Looking For Their Pollution


Remember chlorofluorocarbons, aka CFCs? The big, bad ozone-depleting pollutant 1) sticks around for tens of thousands of years and 2) is almost entirely man-made. That means if extraterrestrial life are anything like us, according to astrophysicists at Harvard, CFCs could be a key to finding aliens.


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