600 Mysteries in the Night Sky
Tuesday, October 18, 2011 - 16:10
in Astronomy & Space
The Fermi Gamma-ray Space Telescope recently produced a map of the night sky. Out of 1873 new sources, nearly 600 were complete mysteries. In today's story from Science@NASA, researchers speculate on the nature of the mystery objects--including the possibility that they are made of dark matter.