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Airborne Lunar Spectral Irradiance Instrument (air-LUSI)

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A Night in the Life of Moon Measurers
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The air-LUSI instrument, designed to take accurate measurements of the Moon to improve Earth observing sensors, demonstrated its capabilities aboard…

Nov 14, 2019
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GR SIG Seminar, 27 March 2026

Watch a cosmic gamma-ray fireworks show in this animation using just a year of data from the Large Area Telescope (LAT) aboard NASA’s Fermi Gamma-ray Space Telescope. Each object’s magenta circle grows as it brightens and shrinks as it dims. The yellow circle represents the Sun following its apparent annual path across the sky. The animation shows a subset of the LAT gamma-ray records now available for more than 1,500 objects in a new, continually updated repository. Over 90% of these sources are a type of galaxy called a blazar, powered by the activity of a supermassive black hole.Credit: NASA’s Marshall Space Flight Center/Daniel Kocevski

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