News Main Animals Archaeology Dinosaurs Earth History Human Animal Space Tech   NASA/STScI/Magellan/U.Arizona/D.Clowe et al.|   Yanked The galaxy cluster 1E 0657-56 (known as the Bullet Cluster) lies 3.8 billion light-years away. It's one of hundreds that appear to be carried along by a mysterious cosmic flow. | More Space Video   « back to article

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