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Search for Extraterrestrial Intelligence, an organization that scans the sky for signs of non-human technology. Study has focused on analysis of the radio spectrum of other stars, but also involves other approaches.

5 votes
3 answers
338 views

How obvious would an Earth-like planet be when searching for signs of life in space?

If a planet nearly identical to Earth were orbiting a nearby star, how obvious would it be to us, using our current efforts to search for signs of life? Would it stick out like a sore thumb? Or woul …
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