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GRACE, twin satellites launched in March 2002, are making detailed measurements of Earth's gravity field which will lead to discoveries about gravity and Earth's natural systems. These discoveries could have far-reaching benefits to society and the world's population.

Orbiting twins - The GRACE satellites
Orbiting Twins - The GRACE satellites

GRACE Groundtrack - refreshes every 5 minutes
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GRACE in the News

GRACE offers broad snapshot of groundwater

New satellite data showcased at the American Geophysical Union meeting this week in San Francisco illustrated the degree to which groundwater has dropped over the past several years in California's Central Valley.

GRACE, the Gravity Recovery and Climate Experiment, through a partnership with NASA and the German Aerospace Center, tracks the monthly changes in the earth's gravity field caused by the movement of water.

Learn More
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The GRACE mission is jointly implemented by NASA and DLR under
the NASA Earth System Science Pathfinder Program.

Last Modified: Wed Jan 06, 2010
CSR/TSGC Team Web