Redshift distortions

  1. Fingers of God: Radial stretching pointed at the observer. They come about because of random velocities in clusters of galaxies.
  2. Large over densities (walls) lead to a coherent "bulk" motion: The coherent motion of the galaxies are seen here also..

For a few realistic simulations click here

To see the causes for these distortions click here

To go back to my home page click here

Hume Feldman
Last modified: Thu Mar 9 22:38:21 MET 2000