okt 222013
 
Anne's Image of the Day: Spiral Galaxy NGC 4395

October 22, 2013 NGC 4395, a spiral galaxy in Canes Venatici Image Credit & Copyright: Dieter Beer & Patrick Hochleitner NGC 4395 is an unbarred spiral galaxy of some 55 thousand light-years across that lies around 15 million light-years away from Earth in the northern constellation of Canes Venatici (the Hunting Dogs), while it is receding [continue reading]

okt 252012
 
A Mini-Supermassive Black Hole in a Bulgeless Spiral Galaxy

  One of the lowest mass supermassive black holes ever observed in the middle of a galaxy has been identified, thanks to NASA’s Chandra X-ray Observatory and several other observatories. The host galaxy is of a type not expected to harbor supermassive black holes, suggesting that this black hole, while related to its supermassive cousins, [continue reading]