Related Links

NASA: Hubble's Deepest View of Universe Unveils Never-Before-Seen Galaxies
  http://www.nasa.gov/mission_pages/hubble/science/universe-deepest-view.html
 

AMNH Science Bulletins: How Far is Far?
  http://www.amnh.org/sciencebulletins/content/a.f.sdss.20051208/assets/247/index.php