Have astronomers discovered an alien megastructure?

Name: Have astronomers discovered an alien megastructure?
Uploaded: 2015-10-20T00:03:20+00:00
Duration: 4 min 15 s
Channel: GAF TV
Description: 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.

GAF TV

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.

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