Landsat Lunar Checkups Keep Earth Data Accurate

TL;DR
NASA’s Landsat 9 regularly points its sensors at the Moon during the full Moon to detect and correct drift, using the Moon’s stability as a reference to keep decades of Earth observations consistent, a process that runs alongside Artemis’ return to lunar exploration.
Topics:sciencesciencespace#artemis-program#earth-observation#landsat-9#moon-calibration#nasa-earth-observatory#sciencespace
A Full Moon Checkup NASA Science (.gov)
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