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Space

NASA Set To Launch Water-Watching Satellites

By Marc Selinger

Monday, May 21st, 2018

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NASA Set To Launch Water-Watching Satellites

The twin GRACE-FO satellites will follow each other in orbit around Earth, separated by about 137 miles. Credits: NASA/JPL-Caltech

NASA and the German Research Centre for Geosciences (GFZ) say they are on track to launch a pair of Earth-observing satellites May 22 aboard a SpaceX Falcon 9 rocket from Vandenberg Air Force Base in California.Built by Airbus Defence and Space in Germany, the Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) satellites are set to lift off at 12:47 p.m. Pacific time. Air Force Capt. Jennifer Haden, a weather officer at Vandenberg, said at a media briefing May 21 that there is "a…

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