The Supermassive Black Hole in Our Galaxy

Name: The Supermassive Black Hole in Our Galaxy
Uploaded: 2011-01-16T12:53:15+00:00
Duration: 3 min 46 s
Channel: fwsocial
Description: We live in a spiral galaxy with a supermassive black hole in its center. This video explains why astronomers can be so sure that the black hole actually exists.

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We live in a spiral galaxy with a supermassive black hole in its center. This video explains why astronomers can be so sure that the black hole actually exists.

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