mei 042013
 
Anne's Picture of the Day: The Sagittarius Dwarf Elliptical Galaxy

May 4, 2013 The Sagittarius Dwarf Elliptical Galaxy Image Credit: R. Ibata (UBC), R. Wyse (JHU), R. Sword (IoA) The Sagittarius Dwarf Elliptical Galaxy (Sag DEG, Sgr dE or the Sagittarius Dwarf Spheroidal Galaxy) is a small elliptical loop-shaped satellite galaxy of our Milky Way that lies about 70,000 light-years away from Earth in the [continue reading]