apr 072014
 
Anne's Image of the Day: Galaxy Cluster Abell 1689

  April 7, 2014 Abell 1689, a galaxy cluster in Virgo Image Credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA), J. Blakeslee (NRC Herzberg Astrophysics Program, Dominion Astrophysical Observatory), and H. Ford (JHU) Abell 1689 is a galaxy cluster of some 2 million light-years across, located almost 2.5 billion light-years away in the constellation of [continue reading]