GRACE (Gravity Recovery and Climate Experiment) Preparaton

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Launched in 2002, GRACE (Gravity Recovery and Climate Experiment) was a joint U.S. NASA/German DLR mission with a primary objective to measure Earth's gravity field and its time variability with unprecedented accuracy. The secondary goal was to obtain approximately 150 very precise globally-distributed vertical temperature and humidity profiles of the atmosphere per day using a GPS occultation technique. The GRACE mission ended in 2017, having lasted three-times longer than originally planned. GRACE was succeeded by the 2018 launch of GRACE-FO (GRACE Follow-On), which uses near-identical hardware.







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