The Bullet Cluster, named for its distinctive shape, has long been considered a smoking gun for the existence of dark matter in space. What makes this cluster famous isn’t the violence of it all. It’s ...
Clues revealed by the recently sharpened view of the Hubble Space Telescope have allowed astronomers to map the location of invisible “dark matter” in unprecedented detail in two very young galaxy ...
Astronomers using NASA’s Hubble Space Telescope have discovered a ghostly ring of dark matter that formed long ago during a titanic collision between two galaxy clusters. Dark matter makes up most of ...
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