Wednesday, July 27, 2011

Saturn HQ Wallpapers and Pictures

Tuesday, July 19, 2011

Astronaut HQ Wallpapers and Pictures

Friday, July 8, 2011

The Most Distant Galaxy Super Cluster

Galaxies are usually found as members of clusters. Rich clusters can have thousands of members and poor clusters may have only dozens of galaxies. The clustering of galaxies is an important constraint on cosmological models and the degree of clustering in the Universe today is related to the anisotropies in the matter distribution of the early universe.