Galaxy Punches Through Neighbor to Spawn Giant Ring of Black Holes
A giant ring of black holes has been discovered 300 million light-years away, offering new clues about what happens when galaxies collide. Using NASA's Chandra X-ray Observatory, astronomers detected a very bright source of X-rays that is likely fueled by either a ring of stellar-mass black holes or neutron stars — the small, dense corpses left after stellar explosions, — according to a new study.
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