Episode 470

365: Is Oumuamua a Solar Sail Spacecraft from Another Star? Probably Not


November 19th, 2018

11 mins 10 secs

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About this Episode

It’s been about a year since the mysterious interstellar asteroid (or maybe comet) Oumuamua passed through our Solar System. It was going so fast and was so far away that astronomers could see very little before it was off and away into deep space again.

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