Ep. 506: It's not Aliens, Unless it's Aliens
365 Days of Astronomy - Weekly Edition - En podcast av Fraser Cain & Dr. Pamela L. Gay - Måndagar
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Did you hear that astronomers from Harvard think that the interstellar asteroid Oumuamua was actually an alien solar sail? Is it aliens? Of course it's not aliens. But some day, it'll actually be aliens.
