Last updated on April 18, 2014 at 8:42 EDT
Moon Gravity Field Using Prospector Data
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Moon Gravity Field Using Prospector Data

December 21, 2012
This map shows the gravity field of the moon from the Lunar Prospector mission. The viewing perspective, known as a Mercator projection, shows the far side of the moon in the center and the nearside (as viewed from Earth) at either side. Units are milliGalileos where 1 Galileo is 1 centimeter per second squared. Reds correspond to mass excesses which create areas of higher local gravity, and blues correspond to mass deficits which create areas of lower local gravity. Image credit: NASA/JPL-Caltech/GSFC/MIT