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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
Current Orbit Data
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GRACE in the News

Satellite images reveal shocking groundwater loss in California

The severity of California's drought continues to shock, with the latest example coming courtesy of NASA.

The space agency's two Gravity Recovery and Climate Experiment, or GRACE, satellites have been been in orbit since 2002, making highly sensitive measurements of Earth's gravity field. Variations in the gravity field can be caused by a number of factors, including the amount of water stored underground in soil and rocks.

Read 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: Fri Oct 03, 2014
CSR/TSGC Team Web