Fermi Gamma-ray

Fermi Gamma-ray Space Telescope

Fermi Gamma-ray Space Telescope The Fermi Gamma- ray Space Telescope (FGST). Before called the Large Area Gamma Ray Space Telescope (GLAST).  So It is a space observatory used to make astronomical observations of gamma rays from low Earth orbit. Because the main instrument is the Large Area Telescope (LAT). Which astronomers mainly use to study the

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