Gamma Ray Large Area Space Telescope (GLAST) Large Area Telescope
Science, Astronomy, Institutions, Observatories - Gamma Ray Large Area Space Telescope (GLAST) Large Area Telescope. GLAST is a next generation high-energy gamma-ray observatory designed for making observations of celestial gamma-ray sources in the energy band extending from 10 MeV to more than 100 GeV.
https://www-glast.slac.stanford.edu/