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2007-05-15 12:45:00

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 massive galaxy clusters.


Word of the Day
taphephobia
  • A morbid dread of being buried alive. Also spelled 'taphiphobia'.
The word 'taphephobia' comes from Greek roots meaning 'burial' and 'fear'.
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