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    Supermassive black hole

    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 its center. Edited by Ashraf

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    Channels: Astrophysics

    Tags: Supermassive black hole

    Uploaded by: ( Send Message ) on 06-04-2009.

    Duration: 3m 56s