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The use of satellite data in the detailed study and precise measurement of the Earth's geoid in order to improve our understanding both of the Earth's interior, and dynamic topography of the world's oceans.

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GOCE's second mission improving gravity map

16 November 2012

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ESA's GOCE gravity satellite has already delivered the most accurate gravity map of Earth, but its orbit is now being lowered in order to obtain even better results.

The Gravity field and steady-state Ocean Circulation Explorer (GOCE) has been orbiting Earth since March 2009, reaching its ambitious objective to map our planet's gravity with unrivalled precision.

Although the planned mission has been completed, the fuel consumption was much lower than anticipated because of the low solar activity over the last two years. This has enabled ESA to extend GOCE's life, improving the quality of the gravity model.

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