Anne's Picture of the Day: Hickson Compact Group 7

Anne’s Picture of the Day: Hickson Compact Group 7

December 27, 2012 HCG 7, a small group of galaxies in Cetus Image Credit: ESA/Hubble & NASA Hickson Compact Group 7, or HCG 7 for short, is a small group of galaxies consisting of 3 spiral galaxies and 1 elongated lenticular (lens-shaped) galaxy in close proximity and which are weakly gravitationally bound. They lie about [continue reading]

Anne's Picture of the Day: The Bean Nebula

Anne’s Picture of the Day: The Bean Nebula

December 26, 2012 The Bean Nebula, a large emission nebula in the LMC Image Credit: ESO/Manu Mejias The Bean Nebula (LHA 120-N 44, or N44 for short) is an emission nebula of around 325 by 250 light-years across in the Large Magellanic Cloud, a small satellite of our Milky Way galaxy, which is about 160,000 [continue reading]

Anne's Picture of the Day: Galaxy Cluster CLG J02182-05102

Anne’s Picture of the Day: Galaxy Cluster CLG J02182-05102

December 25, 2012 CLG J02182-05102, an ancient galaxy cluster in Cetus Image Credit: NASA/JPL-Caltech/Subaru CLG J02182-05102 (also known as SXDF-XCLJ0218-0510) is a galaxy cluster that contains some 60 galaxies, located about 9.6 billion light-years away in the constellation of Cetus. For comparison, the much younger Local Group of which the Milky is a member, contains [continue reading]

Anne's Picture of the Day: The Christmas Tree Cluster

Anne’s Picture of the Day: The Christmas Tree Cluster

December 24, 2012 The Christmas Tree Cluster, a star cluster in Monoceros Image Credit: SIRTF/NASA/ESA The Christmas Tree Cluster (NGC 2264) is a young triangular-shaped open cluster of stars embedded in a star-forming cloud, located around 2600 light-years away in the north-eastern corner of the constellation of Monoceros (the Unicorn), while it is moving away [continue reading]

Stellar Patrons of Milky Way Bar Identified

Stellar Patrons of Milky Way Bar Identified

  University of Virginia scientists associated with the Sloan Digital Sky Survey III, or SDSS-III, have announced the discovery of hundreds of stars rapidly moving together in long, looping orbits around the center of our Milky Way galaxy. An artist’s impression of what the Milky Way might look like viewed from above. The small blue [continue reading]