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A black hole close to our Solar System spins at close to the maximum theoretical speed
Jacqui Hayes
Nov. 26, 2006
A black hole close to our Solar System spins at close to the maximum theoretical speed and has far-reaching implications for high-energy events in our universe, according to new U.S. study.
"We have measured the spin frequency of a famous black hole which goes by the name of GRS 1915+105," said Ramesh Narayan from the Harvard-Smithsonian Centre for Astrophysics in the U.S. "According to theory, it can have a maximum spin rate of 1,150 times per second. Our measurements indicate that the hole is spinning between 950 and 1,150 times per second - that is, it is spinning quite close to the maximum."
Website: http://www.cosmosmagazine.com/node/873
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