Is the interstellar visitor ‘Oumuamua a fragment of a shattered alien world? – SYFY WIRE

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So it’s been an interesting week for comets. 2I/Borisov, the second interstellar comet we’ve ever seen, split in half; the comet we were hoping would be the brightest of the year (C/2019 Y4 ATLAS) instead disintegrated; and the first interstellar comet we’ve …

Author: Phil Plait