mrt 202014
 
Anne's Image of the Day: Globular Cluster Omega Centauri

  March 20, 2013 Omega Centauri, a globular cluster in Centaurus Image Credit & Copyright: Robert Gendler Omega Centauri (also known as NGC 5139) is a globular cluster of approximately 172 light-years across, located about 15,800 light-years away from Earth in the large, southern constellation of Centaurus (the Centaur). The cluster is estimated to be [continue reading]