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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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The Laser Ranging Interferometer instrument.
Laser Ranging Interferometer
The two GRACE-FO satellites are seen from GFZ’s Satellite Laser Ranging Station in Potsdam, Germany, on May 23, 2018 at 22:16 UTC and 22:17 UTC, respectively.
GRACE-FO Satellites From Potsdam
GRACE-FO in a protective shipping container arriving at a new facility at Vandenberg Air Force Base, California.
GRACE-FO Arrives at Vandenberg
Gravity anomaly map using GRACE data.
Gravity Anomaly Map Using GRACE Data
GRACE-FO arriving at Vandenberg Air Force Base, California, from Germany.
GRACE-FO Arrives at Vandenberg
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).&nb...
GRACE-FO Satellites in Testing
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
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 separating from Falcon 9 rocket after launch.
GRACE-FO Separating from Rocket After Launch
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
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 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).&nb...
GRACE-FO Satellites During Testing (View 2)
A long exposure of the GRACE-FO launch from Vandenberg
GRACE-FO Launch, Long Exposure
Illustration of GRACE-FO above Antarctica.
GRACE-FO Above Antarctica
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
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
A map of groundwater storage trends for Earth's 37 largest aquifers using GRACE data, showing depletion and replenishment in millimeters of water per year.
Map of Groundwater Storage Trends for Earth's 37 Largest Aquifers
The NASA/German Research Centre for Geosciences GRACE Follow-On spacecraft launches onboard a SpaceX Falcon 9, May 22, 2018, from Vandenberg Air Force Base in California.
GRACE-FO Launches, Ocean View
The GRACE-FO satellites were assembled by Airbus Defence and Space in Germany. The photo shows the satellites in the testing facility of IABG, an Airbus subcontractor, in Munich (view 1).
GRACE-FO Satellites During Testing
GRACE Rendering
GRACE Rendering
Illustration of GRACE-FO in orbit (view 4)
Illustration of GRACE-FO (View 4)
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
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 rocket carrying GRACE-FO lifts off into a blue sky, with the Pacific Ocean beneath it.
GRACE-FO Launch, Sky and Sea
Flames from the SpaceX Falcon 9 rocket launching GRACE-FO into orbit.
Rocket Flames
Illustration of GRACE-FO above Alaska.
Illustration of GRACE-FO Above Alaska
Illustration of GRACE-FO in orbit (view 3).
GRACE-FO in Orbit (View 3)
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
An artist's rendering of the twin GRACE-FO spacecraft.
GRACE-FO Rendering
Illustration of GRACE-FO in orbit (view 2).
GRACE-FO in Orbit (View 2)
Illustration of GRACE-FO in orbit (view 5).
GRACE-FO in Orbit (View 5)
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
Measuring Earth's Gravity from Space poster
Measuring Earth's Gravity from Space Poster
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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
The laser ranging interferometer (LRI) instrument has been successfully switched on aboard the recently launched twin U.S./German Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) satellites.
First Laser Light for GRACE Follow-On
Antarctic ice losses have tripled since 2012, raising global sea levels by 0.12 inch (3 millimeters) in that timeframe alone, finds a new NASA/ESA-funded climate assessment.
Ramp-Up in Antarctic Ice Loss Speeds Sea Level Rise
GRACE-FO has completed its first mission phase and demonstrated the performance of the precise ranging system that enables its measurements of how mass migrates around Earth.
GRACE-FO Turns on ‘Range Finder,’ Sees Mountain Effects
All flight and ground systems have performed well throughout the Launch and Early Operations Period. The accelerometer and microwave science instruments have been powered on successfully and the two satellites are in relative pointing mode.
Latest Spacecraft Status
