Oct 18, 2011: NASA’s Fermi team recently released the second catalog of gamma-ray sources detected by their satellite’s Large Area Telescope (LAT). Of the 1873 sources found, nearly 600 are complete mysteries. No one knows what they are.
“Fermi sees gamma rays coming from directions in the sky where there are no obvious objects likely to produce gamma rays,” says David Thompson, Fermi Deputy Project Scientist from Goddard Space Flight Center.
Read full article at science.nasa.gov
Source and author: ScienceAtNASA (youtube)