Tag: METI
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How do we get our message across to the extraterrestrials? The answers are evolving
Astronomers and artists sent a binary-coded radio transmission in the direction of an extrasolar planet known as GJ273 b in 2017. (METI International Illustration / Danielle Futselaar) LOS ANGELES — Last year, scientists sent a binary-coded message telling the aliens what time it was. Next year, it’ll be the periodic table of the elements. And…