Could mini-black holes make up a portion of dark matter?

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newtonian

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Where would mini-black holes orbit in a galaxy - would they be in the dark matter halo of galaxies?
 
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dragon04

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Define "mini" black hole? WHat kind of mass are you talking here? <div class="Discussion_UserSignature"> <em>"2012.. Year of the Dragon!! Get on the Dragon Wagon!".</em> </div>
 
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willpittenger

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What I have heard called "mini-black holes" are too small to last long. They are the size of an atom and vanish in a fraction of a second. <div class="Discussion_UserSignature"> <hr style="margin-top:0.5em;margin-bottom:0.5em" />Will Pittenger<hr style="margin-top:0.5em;margin-bottom:0.5em" />Add this user box to your Wikipedia User Page to show your support for the SDC forums: <div style="margin-left:1em">{{User:Will Pittenger/User Boxes/Space.com Account}}</div> </div>
 
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alokmohan

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They may be hanging around on earth itself.It is Hawking pet theory.
 
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nexium

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Some have proposed that ball lightening is caused by atom size black holes, which do not last long.<br />A black hole with an event horizon radius of 200 meters would however last centuries, perhaps many, many centuries, but we have not found compelling evidence of even one with less than about 2 solar mass. I can think of no reason black holes or any thing else might prefer the halo of galaxies. Neil
 
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