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Cygnus X-1
The Cygnus X-1 black hole formed when a large star caved in. It is pulling matter from the nearby blue star.
Rights: NASA/CXC/M.Weiss
Published: 8 May 2017Size: 1.46 MBThe Cygnus X-1 black hole formed when a large star caved in. It is pulling matter from the nearby blue star.