Galaxy 200 Million Times Heavier Than Our Sun Spotted | Video
Wednesday, September 25, 2013 - 16:00
in Astronomy & Space
The densest galaxy known may have been found by combining data from NASA's Hubble and Chandra X-ray space observatories, plus several land-based telescopes. The galaxy, known as M60-UCD1 is about 54 million light years from our own.