X-ray image of the Virgo Cluster
X-ray image of the Virgo Cluster
Optical image of the Coma Cluster
Optical image of the Hercules Cluster
Hubble Space Telescope image of the Abell 2218 cluster
Schematic diagram of the Local Group
Hickson Compact Group #40 (a group of galaxies)
Stephan's Quintet (a group of galaxies)
The colliding galaxies NGC 4038 and NGC 4039 - "The Antennae"
The Cartwheel Galaxy - The result of a galaxy collision
Schematic diagram of the region around the Virgo Cluster
Nearby superclusters of galaxies
