Earth's new address: 'Solar System, Milky Way, Laniakea'

  title={Earth's new address: 'Solar System, Milky Way, Laniakea'},
  author={Elizabeth Gibney},
  • E. Gibney
  • Published 3 September 2014
  • Physics
  • Nature
Analysis of galaxies shows local supercluster to be 100 times larger than previously thought. 
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The Laniakea supercluster of galaxies
A map of structure made using a catalogue of peculiar velocities is reported, finding locations where peculiar velocity flows diverge, as water does at watershed divides, and defining a supercluster to be the volume within such a surface, which is the extent of their home superclusters, which the authors call Laniakea.
Cosmicflows-2 is a compilation of distances and peculiar velocities for over 8000 galaxies. Numerically the largest contributions come from the luminosity–line width correlation for spirals, the