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Planetary science

The Moon's tilt for gold

The Moon's current orbit is at odds with theories predicting that its early orbit was in Earth's equatorial plane. Simulations now suggest that its orbit was tilted by gravitational interactions with a few large bodies. See Letter p.492

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Figure 1: Collisionless interactions could have altered the early Moon's orbit.


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Correspondence to Robin Canup.

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Canup, R. The Moon's tilt for gold. Nature 527, 455–456 (2015).

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