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Aquarius Instrument

Technicians work on the back of the Aquarius instrument in a clean room.

The NASA-built primary instrument on the spacecraft, will take NASA's first space-based measurements of ocean surface salinity, a key missing variable in satellite observations of Earth that links ocean circulation, the global balance of freshwater and climate. The mission is scheduled to launch in June.

Image credit: NASA

Page Last Updated: July 30th, 2014
Page Editor: NASA Administrator