How are Black Holes identified?

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Offline zainab

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How are Black Holes identified?
« on: 11/09/2010 09:01:38 »
How can a black hole be identified?
« Last Edit: 19/09/2010 22:56:19 by chris »

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Offline tommya300

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Re: How are Black Holes identified?
« Reply #1 on: 11/09/2010 13:55:40 »
How can a black hole be identified?
Black holes are not directly identified...
Some theories say a black hole is related to existing quasars.
At the  center of a quasar is a black hole which is feeding.
There may be other conditions also that suggest an existance of a black hole too.
Off hand I only have heard of one.