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GRACE Mission Measures Global Ice Mass Changes
Laser Ranging Interferometer
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GRACE-FO Logo
GRACE-FO mission logo
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GRACE Rendering
GRACE Rendering
Illustration of GRACE-FO separating from Falcon 9 rocket after launch.
GRACE-FO Separating from Rocket After Launch
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
The GRACE-FO satellites, attached to turntable fixtures, at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California.
GRACE-FO Satellites at Vandenberg
GRACE-FO, a collaboration between NASA and German Research Centre for Geosciences (GFZ), launched from Vandenberg Air Force Base on on May 22, 2018.
GRACE-FO Launches
Illustration of GRACE-FO in orbit (view 5).
GRACE-FO in Orbit (View 5)
Flames from the SpaceX Falcon 9 rocket launching GRACE-FO into orbit.
Rocket Flames
The GRACE-FO satellites were assembled by Airbus Defence and Space in Germany. The photo shows one of the satellites in the testing facility of IABG, an Airbus subcontractor, in Munich (view 3).
GRACE-FO Satellites in Testing
This image shows the mean annual amplitude of total water storage on Earth in 2007 as measured by GRACE.
Total Water Storage from GRACE, 2007
The Laser Ranging Interferometer instrument.
Laser Ranging Interferometer
Illustration of GRACE-FO in orbit (view 4)
Illustration of GRACE-FO (View 4)
The NASA/German Research Centre for Geosciences GRACE Follow-On spacecraft launches from Space Launch Complex 4E at Vandenberg Air Force Base in California.
GRACE-FO Launches, Wide Shot
Illustration of GRACE-FO above Antarctica.
GRACE-FO Above Antarctica
Between 2002 and 2016, Antarctica shed approximately 125 gigatons of ice per year, causing global sea level to rise by 0.35 millimeters per year.
Antarctic Ice Loss 2002-2016
The SpaceX Falcon 9 rocket is seen with the NASA/German Research Centre for Geosciences GRACE Follow-On spacecraft onboard at Space Launch Complex 4E at Vandenberg Air Force Base in California.
GRACE-FO in Falcon 9 on Launchpad
An artist's rendering of the twin GRACE-FO spacecraft.
GRACE-FO Rendering
A GRACE-FO satellite and its turntable fixture at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California.
GRACE-FO Satellite on a Turntable Before Launch
A long exposure of the GRACE-FO launch from Vandenberg
GRACE-FO Launch, Long Exposure
Illustration of GRACE-FO above Alaska.
Illustration of GRACE-FO Above Alaska
Measuring Earth's Gravity from Space poster
Measuring Earth's Gravity from Space Poster
Illustration of GRACE-FO in orbit (view 2).
GRACE-FO in Orbit (View 2)
The GRACE Intermediate Field 48 (GIF48 from UT-CSR) field model is an improved mean gravity field that combines GRACE observations and terrestrial gravity information.
Static Gravity Field Anomalies
The GRACE-FO satellites, attached to turntable fixtures, at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California (view 1).
GRACE-FO Satellites, Attached to Turntable Fixtures
The GRACE-FO satellites were assembled by Airbus Defence and Space in Germany. The photo shows one of the satellites in the testing facility of IABG, an Airbus subcontractor, in Munich (view 2).
GRACE-FO Satellites During Testing (View 2)
The rocket carrying GRACE-FO lifts off into a blue sky, with the Pacific Ocean beneath it.
GRACE-FO Launch, Sky and Sea
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North America was almost entirely above its long-term average in mass in May 2019, due to Midwestern flooding, with the runoff raising the Great Lakes to record levels.
GRACE-FO Shows the Weight of Midwestern Floods
GRACE-FO releases first Level-2 data products, including nine monthly gravity fields and corresponding atmosphere and ocean dealiasing background model data.
GRACE-FO First Gravity Field Data Now Available
GRACE-FO First Science Data Now Available
GRACE-FO First Science Data Now Available
The University of Texas at Austin team that led a twin satellite system launched in 2002 to take detailed measurements of the Earth, called the Gravity Recovery and Climate Experiment (GRACE), reports in the most recent issue of the journal Nature Climate Change on the contributions that their nearly two decades of data have made to our understanding of global climate patterns.
GRACE Mission Data Contributes to Our Understanding of Climate Change
GRACE Follow-On has resumed collecting data after completing a switchover to a backup system.
GRACE-FO Resumes Data Collection
NASA's GRACE-FO team plans to switch to a backup system in the Microwave Instrument on one of the twin spacecraft this month.
GRACE-FO Satellite Switching to Backup Instrument Processing Unit
