Best Gravity Map Yet Shows a Lumpy, Bumpy Earth
Nola Taylor Redd, SPACE.com Contributor
Date: 02 June 2011 Time: 07:00 AM ET
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| ESA’s GOCE mission has delivered the most accurate model of the ‘geoid’ ever produced. Red corresponds to points with higher gravity, and blue to points with lower gravity. CREDIT: ESA/HPF/DLR |
Take a clay model of Earth and squish it with your fingers, and the result may look similar to the geoid — the latest and best-ever map of our planet’s gravitational field.
to read more go to: http://www.space.com/11849-earth-gravity-map-geoid.html