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An artist's conception shows M33 X-7, a binary system in the galaxy M33 where a black hole is in orbit with a large star. Material from the large blue companion star is seen being pulled toward the black hole by its powerful gravity. A disk of this material (orange) is swept into orbit around the black hole, fed by winds flowing out from the star. This wind is disrupted by the black hole, causing turbulence and ripples beyond the disk. (Credit: NASA/CXC/M.Weiss)