apr 282014
 
Anne's Image of the Day: Spiral Galaxy NGC 4921

  April 28, 2014 NGC 4921, a barred spiral galaxy in Coma Berenices Image Credit: NASA / ESA / Roberto Colombari / Hubble Legacy Archive NGC 4921 (also known as UGC 8134) is a barred spiral galaxy, located about 320 million light-years away from Earth in the northern constellation of Coma Berenices (Berenice’s Hair), while it is [continue reading]

nov 152013
 
Anne's Image of the Day: The Coma Cluster of Galaxies

November 15, 2013 The Coma Cluster of Galaxies in Coma Berenices Image Credit & Copyright: Adam Block/Mount Lemmon SkyCenter/University of Arizona (http://skycenter.arizona.edu/gallery/Galaxies/ComaCluster) The Coma Cluster (also known as Abell 1656) is a large cluster of galaxies that contains over 1,000 identified galaxies in a region of about 2 million light-years across, located around 321 million [continue reading]

sep 202013
 
Clues to the Growth of the Colossus in the Coma Cluster

  A team of astronomers has discovered enormous arms of hot gas in the Coma Cluster of galaxies by using NASA’s Chandra X-ray Observatory and ESA’s XMM-Newton. These features, which span at least half a million light years, provide insight into how the Coma cluster has grown through mergers of smaller groups and clusters of [continue reading]

mei 152013
 
Anne's Picture of the Day: Spiral Galaxy NGC 4911

May 15, 2013 NGC 4911, a spiral galaxy in Coma Berenices Image Credit: NASA/ESA/Hubble Heritage Team (STScI/AURA) NGC 4911 (also known as UGC 8128) is a barred spiral galaxy of roughly 110 light-years across, located about 320 million light-years away in the northern constellation of Coma Berenices (Berenice’s Hair), while it is speeding away from us [continue reading]