From www.youtube.com - April 17, 2012 10:26 AM

Scientists have further narrowed the search for a hypothetical particle that could be dark matter, the mysterious stuff that makes up 80 percent of all the mass in the universe. This video from NASA Astrophysics presents the new results, compiled from two years' worth of data from NASA's Fermi Gamma-ray Space Telescope.

Articles about ASTRONOMY: http://www.scoop.it/t/science-news?tag=astronomy

 


Via Sakis Koukouvis