Thursday, June 2, 2011

Black Holes Spinning Faster Than Ever

An artist’s impression of the jets emerging from a supermassive black hole at the centre of the galaxy PKS 0521-36. Credit: Dana Berry / STScI

Black Holes Are Spinning Faster Than Ever -- Cosmos

PORTSMOUTH: The giant black holes in the centre of galaxies are on average spinning faster now than at any time in the history of the universe, according to two U.K. astronomers.

The new discovery was made using radio, optical and X-ray data, and suggests that the supermassive black holes that grow by swallowing matter will barely spin, while those that merge with other black holes will be left spinning rapidly.

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