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Revving up particles in the cosmos

Gamma rays from microquasar found to precede radio-wave blast

2:48pm, November 18, 2009

Some 30,000 light-years from Earth, a tiny gravitational monster is tearing material from a companion star, blasting X-rays into space and sporadically hurling out jets of radio-wave-emitting blobs at close to the speed of light.

Known as Cygnus X-3, this mercurial star system — thought to be either a small black hole or a neutron star orbiting an ordinary partner — has fascinated astronomers for more than four decades with its surprisingly bright X-r

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