NASA discovers the ‘Mighty Mouse’ of dead stars

October 9, 2014 10:28 AM

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NASA’s Nuclear Spectroscopic Telescope, NuSTAR, discovered the surprisingly bright dead star while observing a recent supernova in the galaxy Messier 82 (also known as the ‘Cigar galaxy’) about 12m lightyears away.

NuSTAR picked up on bright X-rays coming from a ULX – a source of ultraluminous X-rays –known as M82 X-2.

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