mrt 222014
Anne's Image of the Day: Spiral Galaxy NGC 4157

  March 22, 2014 NGC 4157, a barred spiral galaxy in Ursa Major Image Credit & Copyright: Adam Block/Mount Lemmon SkyCenter/University of Arizona ( NGC 4157 (also known as UGC 7183) is a barred spiral galaxy of some 105,000 light-years across (about the same size as our Milky Way galaxy), located about 35.6 million light-years [continue reading]