This is a polar stereographic map of gravity of the north polar region of the moon from the Gravity Recovery and Interior Laboratory (GRAIL) mission. The map displays the region from latitude 60 north to the pole. The data was collected during GRAIL's extended mission which took place from August 30 to December 17, 2012. In the image, red corresponds to mass excesses and blue and purple to mass deficiencies.
Map credit: NASA/MIT/JPL/GSFC/GRAIL
Note: For more information, see NASA's GRAIL Mission Solves Mystery of Moon's Surface Gravity.
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