Have astronomers discovered an alien megastructure?
Astronomers have spotted an object in space that blocks a surprising amount of sunlight, leading to speculation it could be a massive structure built by aliens. CBS News science contributor Michio Kaku spoke to CBSN about the enormous discovery.
Видео Have astronomers discovered an alien megastructure? канала CBSN
Видео Have astronomers discovered an alien megastructure? канала CBSN
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