Fermi's Five-year View of the Gamma-ray Sky

This all-sky view shows how the sky appears at energies greater than 1 billion electron volts (GeV) according to five years of data from NASA's Fermi Gamma-ray Space Telescope. (For comparison, the energy of visible light is between 2 and 3 electron volts.) The image contains 60 months of data from Fermi's Large Area Telescope; for better angular resolution, the map shows only gamma rays converted at the front of the instrument's tracker. Brighter colors indicate brighter gamma-ray sources. The map is shown in galactic coordinates, which places the midplane of our galaxy along the center.

The five-year Fermi map is available in multiple resolutions below, along with additional plots containing reference information and identifying some of the brightest sources.



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Scott Wiessinger (USRA): Producer
Francis Reddy (Syneren Technologies): Writer
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NASA's Goddard Space Flight Center. However, individual images should be credited as indicated above.

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Fermi Gamma-ray Space Telescope

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This item is part of this series:
Astrophysics Stills

Goddard TV Tape:
G2013-066 -- Fermi Five Year Anniversary

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