Supermassive black holes are explained in this video. They are millions to billions time the mass of a typical black hole. Evidence are mounting that every galaxy has a supermassive black hole at i... | more...

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Channels: Astrophysics

Tags: Supermassive black hole

Upload by: admin on 06-04-2009.

Duration: 3m 56s

Dnatube: Sciencific and Medical video site.