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The Milky Way’s ghost galaxies: Are we surrounded by invisible neighbors?

  • New research suggests that the Milky Way may have 80 to 100 more satellite galaxies orbiting around it, which are currently hard to detect due to being stripped of dark matter.
  • These 'orphan' galaxies could confirm the Lambda Cold Dark Matter theory, explaining galaxy formation and evolution.
  • The study used simulations and models to show that these missing galaxies, without dark matter halos, could still exist and be found with advanced telescopes like the Rubin Observatory’s LSST camera.
  • Researchers hope that discovering these 'invisible' galaxies will not only validate cosmological theories but also enhance our understanding of the universe and our galaxy's formation.

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