nov 292012
Anne's Picture of the Day: Galaxy Triplet NGC 6769-71

November 29, 2012 Galaxy Triplet NGC 6769-71, an interacting triplet of galaxies in Pavo Image Credit: ESO Galaxy Triplet NGC 6769-71 is a gravitational interacting triplet of galaxies, located about 190 million light years away in the southern constellation of Pavo (the Peacock). Most galaxies are members of clusters of galaxies. In these, they move [continue reading]