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Greenland flyover by GRACE
Zoom in to view GRACE flying over Greenland.
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This animation illustrates the movements of the two GRACE-FO satellites as they orbit Earth.
GRACE-FO: from range observations to global mass change
One of the twin GRACE spacecraft is seen during construction in Germany.
GRACE Satellite Build
NASAs Gravity Recovery and Climate Experiment (GRACE) has measured significant groundwater depletion around the world in recent years. These animations show trends in total water storage from Jan....
GRACE Sees Groundwater Losses Around the World
Twin GRACE spacecraft being deployed from Breeze
Twin GRACE spacecraft being deployed from Breeze
One of the twin GRACE satellites, Flight Model 1, is seen on a trolley during construction in Germany.
GRACE Satellite Under Construction
This animation illustrates the highs and lows of the Earth's gravity field as water in the basins of the U.S. changes over time.
GRACE data over the United States, 2003-2012
The original GRACE satellites in a clean room in Germany.
GRACE Satellites Under Construction
GPS signal occultation by the atmosphere, and the resulting useful data is explained.
Occult.mov
The force of gravity not only keeps us from floating away, it also lets NASA study Earth’s water and ice from space. Using a pair of twin satellites named "GRACE," we can monitor our planet’s water.
Scale in the Sky
Global ocean conveyor belt of warm and cold water is explained.
Conveyor.mov
GRACE satellites are mounted belly to belly at an IABG testing facility in Germany.
GRACE Satellites at IABG
The twin GRACE satellites are seen in a clean room in Germany in 2002.
GRACE Satellites in Clean Room
Between 2002 and 2020, Antarctica shed approximately 150 gigatons of ice per year, causing global sea level to rise by 0.4 millimeters per year.
Antarctic Ice Loss 2002-2020
Research based on GRACE observations indicates that between 2002 and 2021, Greenland shed approximately 280 gigatons of ice per year.
Greenland Ice Loss 2002-2021
One of the GRACE satellites undergoes thermal testing at IABG in Germany.
Thermal Testing for GRACE Satellite
GRACE being readied for launch - 1
GRACE being readied for launch - 1
For 15 years, the GRACE mission has unlocked mysteries of how water moves around our planet. It gave us the first view of underground aquifers from space, and shows how fast polar ice sheets and mo...
15 Years of GRACE Earth Observations
GRACE contribution to atmospheric studies explained.
Atmos.mov
GRACE being readied for launch - 2
GRACE being readied for launch - 2
The GRACE satellites during component integration in a German clean room.
GRACE Component Integration
GRACE on orbit - 1
GRACE on orbit - 1
The mass of the Polar ice sheets have changed over the last decades. Research based on observations from the Gravity Recovery and Climate Experiment (GRACE) satellites (2002-2017) and GRACE Follow-...
GRACE and GRACE-FO polar ice mass loss
The GRACE satellites are seen at an IABG testing facility in Germany.
GRACE Satellite Testing
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