feb 132013
Supermassive Black Holes Grow Faster Than Expected

  Lurking at the centers of most galaxies are supermassive black holes that can weigh anywhere from one million to one billion times as much as the Sun. New research, published today in the Astrophysical Journal, shows that these black holes are growing at much larger rates than had previously been thought possible. Even the black hole [continue reading]

dec 192012
Anne's Picture of the Day: The Sombrero Galaxy

December 19, 2012 The Sombrero Galaxy, an edge-on spiral galaxy in Virgo Image Credit: NASA/ESA and The Hubble Heritage Team (STScI/AURA) The Sombrero Galaxy (designated as Messier 104 and NGC 4594) is an unbarred spiral galaxy of about 50,000 light-years across and a mass of 800 billion suns, located some 29 million light-years away in [continue reading]