Who's up for a round of interplanetary golf?
When playing golf in outer space, it's important to keep in mind Newton's Universal Law of Gravitation:
F = Gm1m2 / r2
This equation describes the force of gravity between any two masses separated by a distance r between their centers. G is a constant of nature that we call the universal gravitational constant.
See it in action in this week's online game, Gravitee.
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