From the UNIVERSITY OF ROCHESTER 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…
via Watts Up With That?
September 8, 2017 at 10:54AM
Iowa Climate Science Education 