News Main Animals Archaeology Dinosaurs Earth History Human Animal Space Tech   NASA |   Black Holes Came First This composite image obtained from NASA shows the jet from a black hole at the center of a galaxy striking the edge of another galaxy in 2007. Black holes found at the center of galaxies around the cosmos seem to have appeared first not the other way around, scientists say, solving an age-old riddle which long has dogged astronomers. | Discovery News Video   « back to article

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