By Jeanna Bryner -- Space.com
Nov. 20, 2006 -- X-ray vision has brought astronomers closer than ever to completely characterizing a black hole, a place where strange things happen.
Astronomers measured the spinning speed of three black holes, finding that one rotates at a breakneck 950 times per second, nearing its theoretical rotation limit of 1,150 spins a second. The black hole lies within the constellation Aquila (the Eagle) about 35,000 light-years from Earth. The finding represents an important step toward understanding these invisible objects.
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