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Astronomers Discover 'Carousel Lens,' A Rare Gravitational Alignment

This unique configuration of galaxies provides unprecedented insight into dark matter and dark energy.

  • The Carousel Lens is a rare gravitational lens system formed by a foreground galaxy cluster and seven background galaxies.
  • Located 5 billion light-years from Earth, the lens magnifies galaxies up to 12 billion light-years away.
  • The alignment includes the largest known Einstein Cross, indicating a symmetrical distribution of dark matter.
  • Researchers used data from the DESI Legacy Imaging Surveys and NASA's Hubble Space Telescope to identify the lens.
  • The discovery offers a new testbed for studying cosmological phenomena like dark matter and dark energy.
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