April 6, 2011
Earth’s gravity is not even! HEAVY, MUCH?: You thought you couldn’t see gravity. Well, the European Space Agency’s GOCE satellite has provided enough gravity data for researchers to produce a geoid map. The geoid is the surface of an ideal global ocean in the absence of tides and currents, shaped only by gravity. The globe shows regions of blue, orange and red, reflecting how gravity is distributed.

Earth’s gravity is not even!

HEAVY, MUCH?: You thought you couldn’t see gravity. Well, the European Space Agency’s GOCE satellite has provided enough gravity data for researchers to produce a geoid map. The geoid is the surface of an ideal global ocean in the absence of tides and currents, shaped only by gravity. The globe shows regions of blue, orange and red, reflecting how gravity is distributed.

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