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Earth's gravity from space
Earth's gravity from space
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GRACE being readied for launch - 1
GRACE being readied for launch - 1
The GRACE satellites are seen at an IABG testing facility in Germany.
GRACE Satellite Testing
These images show the changes in gravity anomalies from GRACE over the Amazon Basin for each month of 2004.
Amazon Basin seasonal hydrology
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
GRACE mission pre-launch poster
GRACE mission pre-launch poster
GRACE being readied for launch - 2
GRACE being readied for launch - 2
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
GPS signal occultation by the atmosphere, and the resulting useful data is explained.
Occult.mov
This animation shows the annual water storage changes over the U.S. from GRACE from 2003 - 2013.
Annual water storage changes over the U.S. From GRACE
Global ocean conveyor belt of warm and cold water is explained.
Conveyor.mov
This visualization shows extremes of the water cycle — droughts and pluvials — over a twenty-year period (2002-2021) based on observations from the GRACE and GRACE-FO satellites. Dry events are sho...
Water Cycle Extremes: Droughts and Pluvials
One of the GRACE satellites undergoes thermal testing at IABG in Germany.
Thermal Testing for GRACE Satellite
GRACE on orbit - 1
GRACE on orbit - 1
Measuring Earth's Gravity from Space exhibit
Measuring Earth's Gravity from Space exhibit
This animation illustrates the movements of the two GRACE-FO satellites as they orbit Earth.
GRACE-FO: from range observations to global mass change
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
Twin GRACE spacecraft being deployed from Breeze
Twin GRACE spacecraft being deployed from Breeze
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
This visualization of a gravity model was created with data from NASA's Gravity Recovery and Climate Experiment (GRACE) and shows variations in Earth’s gravity field.
GRACE global gravity animation
The GRACE Intermediate Field 48 (GIF48 from UT-CSR) field model is an improved mean gravity field that combines GRACE observations with terrestrial and ocean gravity information for the small-scale...
Static gravity field - anomalies (1)
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
The amount of water stored in the Amazon basin varies from month to month, and can be monitored from space by looking at how it alters Earth's gravity field.
Measuring Water Storage in the Amazon
GRACE logo
GRACE logo
One of the twin GRACE satellites, Flight Model 1, is seen on a trolley during construction in Germany.
GRACE Satellite Under Construction
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