The Fermi Gamma-Ray Telescope is a space observatory designed to study the universe in highly energetic frequencies known as gamma-rays. It includes participation from NASA, the U.S. Department of Energy, and several partners both in the United States and internationally. The mission was launched in 2008 and remained operational as of mid-2018.
Online Language Learning Tool SkELL allows users to search for phrases in sentences, collocates and similar words. These examples have been automatically selected and may contain errors.
