Abell 2744: Pandora's Magnifying Glass
Thursday, January 9, 2014 - 07:20
in Astronomy & Space
Hubble's Frontier Fields observing program is using the magnifying power of enormous galaxy clusters to peer deep into the distant Universe and Abell 2744, nicknamed Pandora's Cluster, is the first image. Astronomers previously observed Abell 2744 with the NASA/ESA Hubble Space Telescope back in 2011 and determined it had a very violent history, having formed from a cosmic pile-up of multiple galaxy clusters. They found that at least four galaxy clusters had crashed into one another to form Abell 2744, causing some weird and wonderful effects. read more