Re: Dark matter swirling into a black hole?
- From: "N:dlzc D:aol T:com \(dlzc\)" <dlzc@xxxxxxx>
- Date: Tue, 2 Jan 2007 19:47:02 -0700
Dear Yousuf Khan:
"Yousuf Khan" <bbbl67@xxxxxxxxx> wrote in message
news:459b17b0$1@xxxxxxxxxxxxxxxxxx
If Dark Matter exists, and the only way normal matter
interacts with it is through gravity, then shouldn't there
be Dark Matter vortex swirling into one of the biggest
sources of normal matter mass around, i.e. a black hole?
Black holes are not *sources* of normal matter... until they
evaporate.
In fact, shouldn't the black hole be getting bigger by several
fold, just by fattening up with Dark Matter,
which is supposed to be an order of magnitude more
prevalent than Normal Matter? A black hole would
then be growing more massive even if no sources
of normal matter are nearby to feed it.
But we can only detect black holes by the interactions in
infalling matter with other bits of infalling matter. Dark
matter would have no such interactions. This would make a Dark
Black Hole hard to spot!
David A. Smith
.
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