mei 012014
 
Anne's Image of the Day: Dwarf Spiral Galaxy NGC 6503

  May 1, 2014 NGC 6503, a dwarf spiral galaxy in Draco Image Credit & Copyright: Robert Gendler, the Subaru Telescope (NAOJ) and the Hubble Legacy Archive NGC 6503 (also known as UGC 11012) is a dwarf spiral galaxy of about 30,000 light-years across (just about a third of the size of our Milky Way galaxy), [continue reading]

mei 072013
 
Anne's Picture of the Day: Interacting Galaxies Arp 81

May 7, 2013 Arp 81, interacting galaxies in Draco Image Credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA)-ESA/Hubble Collaboration and W. Keel (University of Alabama, Tuscaloosa) Arp 81 (also designated UGC 11175 and VV 247) is a strongly interacting pair of spiral galaxies, consisting of NGC 6621 (right) and NGC 6622 (left) seen about 100 [continue reading]

mei 032013
 
VLA Finds Background Radio Emission is Submitted by Galaxies

  Staring at a small patch of sky for more than 50 hours with the ultra-sensitive  Karl G. Jansky Very Large Array (VLA), astronomers have for the first time identified discrete sources that account for nearly all the radio waves coming from distant galaxies. They found that about 63 percent of the background radio emission [continue reading]

apr 262013
 
Anne's Picture of the Day: Spiral Galaxies NGC 5963 & 5965

April 26, 2013 NGC 5963 & 5965, two spiral galaxies in Draco Image Credit & Copyright: Ken Crawford, Rancho Del Sol Observatory (http://www.imagingdeepsky.com) NGC 5963 (bottom) and NGC 5965 (top) are two spiral galaxies in the northern constellation of Draco, which are far apart and unrelated, and are just by chance appearing close on the [continue reading]

jan 262013
 
Anne's Picture of the Day: Galaxy Cluster Abell 2218

January 26, 2013 Abell 2218, a galaxy cluster in Draco Image Credit: NASA, ESA, and Johan Richard (Caltech, USA) Acknowledgement: Davide de Martin & James Long (ESA/Hubble) Abell 2218 is a rich galaxy cluster that contains more than 10,000 galaxies, located some 2.35 billion light-years away (redshift 0.18) in the northern constellation of Draco. Redshift [continue reading]