A new study by a pair of astronomers from the Harvard Smithsonian Center for Astrophysics (CfA) has suggested that ‘Oumuamua may actually be a light sail of extra-terrestrial origin.

Could ‘Oumuamua Be An Extraterrestrial Solar Sail?
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November 2, 2018 at 12:07PM
via Digg Top Stories https://phys.org/news/2018-11-oumuamua-extraterrestrial-solar.html