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Temperatures at Mercury's south pole

Temperatures at Mercury's south pole

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NASA / JHUAPL / CIW

Temperatures at Mercury's south pole
Output of a computer model showing maximum temperatures at Mercury's south pole over the course of a Mercurian year. Mercury's 3:2 spin-orbit resonance gives it two "cold poles" at longitude 90° and 270°.

Most NASA images are in the public domain. Reuse of this image is governed by NASA's image use policy.

Original image data dated on or about March 22, 2012

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