Thursday, March 31, 2011

Goce satellite maps the Earth's gravity in unprecedented precision

Data from Europe s gravity-mapping satellite Goce is being used to investigate the geological processes that cause earthquakes

A European spacecraft that skims the upper reaches of the atmosphere has mapped Earth s gravity with unrivalled precision. The map shows how the pull of gravity varies minutely over the surface of the Earth, from deep ocean trenches to majestic mountain ranges.



The measurements have allowed scientists to create a computer model called a geoid that reveals what

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