Why a Harvard Astronomer Is Spouting Farfetched Ideas About Aliens

Avi Loeb’s willingness to entertain the alien theory has turned off more than a few colleagues. Most astronomers refute the idea that ‘Oumuamua’s appearance and behavior warrant such an outlandish explanation. Some dismiss Loeb’s assertion as attention-grabbing to the detriment of public understanding of science — or simply wrong. But the idea’s zaniness itself may have scientific value.

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