Tuesday, October 18, 2011

Fermi Gamma-ray Space Telescope: 600 Mysteries in the Night Sky

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.

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