
Space / 2017-12-08
Galaxy Cluster Abell 1689
Galaxy Cluster Abell 1689
NASA's image library records Galaxy Cluster Abell 1689.
Release Date: March 10, 2010 - Distant galaxy clusters mysteriously stream at a million miles per hour along a path roughly centered on the southern constellations Centaurus and Hydra. A new study led by Alexander Kashlinsky at NASA's Goddard Space Flight Center in Greenbelt, Md., tracks this collective motion -- dubbed the "dark flow" --