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GRACE-FO 3D Model

A 3D interactive model of NASA's GRACE-FO spacecraft that maps of the Earth’s average gravity field, offering details of how mass, in most cases water, is moving around the planet.

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NASA Visualization Technology Applications and Development (VTAD)

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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). 
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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 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. 
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The SpaceX Falcon 9 that will carry GRACE-FO to orbit sits on the launchpad.
GRACE-FO in Falcon 9 on Launchpad
GRACE Follow-On (GRACE-FO) continues the legacy of GRACE, tracking Earth’s water movement and surface mass changes across the planet. Monitoring changes in ice sheets and glaciers, near-surface and...
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GRACE Follow-On (GRACE-FO) continues the legacy of GRACE, tracking Earth’s water movement and surface mass changes across the planet. Monitoring changes in ice sheets and glaciers, near-surface and underground water storage, the amount of water in large lakes and rivers, as well as changes in sea level and ocean currents provides an integrated global view of how Earth’s water cycle and energy balance are evolving.
GRACE-FO Mission Brochure
A GRACE-FO satellite and its turntable fixture at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California.
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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
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...
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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 mountain glaciers are melting.
15 Years of GRACE Earth Observations
Illustration of GRACE-FO in orbit (view 2).
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Twin spacecraft of GRACE-FO in orbit over Earth.
GRACE-FO in Orbit (View 2)
The twin GRACE-FO satellites will pick up where the GRACE mission (2002-2017) left off, studying our changing planet.
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Video reel for media on the GRACE-FO mission to study Earth.
GRACE Follow-On Media Reel
Illustration of GRACE-FO separating from Falcon 9 rocket after launch.
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Illustration of GRACE-FO separating from Falcon 9 rocket after launch.
GRACE-FO Separating from Rocket After Launch
Illustration of GRACE-FO in orbit (view 5).
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Illustration of GRACE-FO in orbit over Earth.
GRACE-FO in Orbit (View 5)
GRACE-Follow On (GRACE-FO) is a satellite mission that launched in May 2018. GRACE-FO will continue the work of the GRACE satellite mission tracking Earth's water movement around the globe. These d...
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Video for the GRACE-FO mission.
Tracking Water from Space
The GRACE-FO satellites, attached to turntable fixtures, at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California (view 1).  
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The GRACE-FO satellites, attached to turntable fixtures, at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California
GRACE-FO Satellites, Attached to Turntable Fixtures
The GRACE-FO satellites, attached to turntable fixtures, at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California. 
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The GRACE-FO satellites, attached to turntable fixtures, at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California (view 2).
GRACE-FO Satellites at Vandenberg
The Laser Ranging Interferometer instrument.
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The Laser Ranging Interferometer instrument.
Laser Ranging Interferometer
Work begins to build NASA’s twin satellites, under construction by Airbus Defense and Space.
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NASA’s twin satellites, under construction by Airbus Defense and Space, will be the follow-on spacecraft of the GRACE mission, which have contributed significantly to global climate research since 2002.
Build Commences on GRACE-FO Satellites
Illustration of GRACE-FO above Alaska.
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Illustration of one spacecraft of GRACE-FO above Alaska, with clouds, ocean and land below.
Illustration of GRACE-FO Above Alaska
GRACE Rendering  
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GRACE Rendering
GRACE Rendering
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). 
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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
While the two spacecraft of the GRACE-FO mission go through testing at the IABG facitilty in Germany, engineers deploy the S-Band antenna boom to ensure that it works.
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While the two spacecraft of the GRACE-FO mission go through testing at the IABG facitilty in Germany, engineers deploy the S-Band antenna boom to ensure that it works.
Airbus Tests GRACE-FO Antenna Boom
The twin satellites of NASA's Gravity Recovery and Climate Experiment Follow-on, or GRACE-FO, will track the movement of water around Earth. This short video explains how and why it's important.
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Explaining why GRACE-FO is so important.
Why Is GRACE-FO So Important?
A simplified example of how the distance between the GRACE-FO satellites changes as they pass from the Caribbean Sea across Colombia and Peru.
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A simplified example of how the distance between the GRACE-FO satellites changes as they pass from the Caribbean Sea across Colombia and Peru (which have higher mass than the oceans) to the Pacific Ocean. Panel 1: When both spacecraft are over the ocean, the distance between them is relatively constant.
How GRACE-FO Measures Gravity
Illustration of GRACE-FO above Antarctica.
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Illustration of GRACE-FO above Antarctica.
GRACE-FO Above Antarctica
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.
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The bright lights of the spacecraft are seen against the dark black of space.
GRACE-FO Satellites From Potsdam
GRACE-FO arriving at Vandenberg Air Force Base, California, from Germany. 
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GRACE-FO arriving at Vandenberg Air Force Base, California, from Germany.
GRACE-FO Arrives at Vandenberg
Illustration of GRACE-FO in orbit (view 3).
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Illustration of GRACE-FO in orbit over Earth.
GRACE-FO in Orbit (View 3)
GRACE Follow-On continues the critical mission of measuring the movements of mass within and between Earth’s atmosphere, oceans, land and ice sheets, as well as below Earth’s surface.
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GRACE Follow-On, scheduled to launch in spring 2018, will continue the critical mission of measuring the movements of mass within and between Earth’s atmosphere, oceans, land and ice sheets, as well as below Earth’s surface.
GRACE-FO Fact Sheet

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