In the 1970s, astronomers Carl Sagan and Frank Drake developed the first messages intentionally sent out of our solar system. But how do you describe yourself to beings who have no concept of life on Earth? ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, John Szymakowski, Fatima Iqbal, Justin Lentz, David Campos, and Chris Peters. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, c
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