This Trippy Gobstopper Is Actually a Map of the Moon's Mass

When you fly two space craft around the moon for days on end, you may as well do something useful with them. So NASA created this beatifully colorful map of the moon, which shows how its mass varies over its surface. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/Yh3iWtzID9A/this-trippy-gobstopper-is-actually-a-map-of-the-moons-mass

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