Black Holes and Exploding Stars
Season 2
Ep 5. Narrowing the Search for Dark Matter
- April 1, 2015
- 3 min
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.