NASA: 600 Mysteries In The Night Sky Oct 18th 2011
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NASA: 600 Mysteries In The Night Sky Oct 17th 2011
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."
"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 this week's ScienceCast, researchers speculate on the nature of the mystery objects - including the possibility that they are made of dark matter."
Fermi Gamma-ray Space Telescope