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GOCE: Why gravity matters!

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GOCE: Why gravity matters!

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European Space Agency, ESA

2 Views • Aug 19, 2015

Description

Clarified by Isaac Newton in the 17th century, gravity is a fundamental force of nature. It is often assumed that the force of gravity on the surface of Earth has a constant value, but in fact the value of 'g' varies subtly from place to place. But why? And what is gravity anyway?

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