Author(s): Jestr

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The INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL) is a space telescope for observing gamma rays of energies up to 8 MeV that was launched by the European Space Agency (ESA) into Earth orbit in 2002. Despite its many mechanical failures and the launches of its successors (e.g. Fermi, Swift, etc.), it is still currently active as of 2021

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