Black Holes Go 'Mano a Mano' (NASA, Chandra, 10/06/09)

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Photo credit: © NG Images / Alamy / Afripics
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Keywords: (nasa, -ray, 10/06, 6240, astronomy, black, blackholes, chandra, chandraxrayobservatory, friends, galaxy, holes, mano, nasa, ngc, ngc6240, observatory, telescope, xraytelescope