Fermi Space Telescope is the telescope operated by _________ space agency ?

a) Japan Aerospace Exploration Agency (JAXA)
b) National Aeronautics and Space Administration (NASA)
c) China National Space Administration (CNSA)
d) None of these

An international team of researchers using data from Arecibo Observatory and the Fermi Space Telescope have discovered what they call a “gamma-ray heartbeat” coming from a cosmic gas cloud. The cloud is in the constellation Aquilla and “beats” in rhythm with a black hole 100 light-years away in a microquasar system known as SS 433. The results were published in the journal Nature Astronomy.Fermi Gamma-ray Space Telescope is operated by National Aeronautics and Space Administration (NASA).