Features
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MESSENGER: The Extreme Machine
We know why we're going to Mercury. But many people may not know how the spacecraft is designed in order to get there safely.
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Land of Confusion
Planet Mercury keeps scientists guessing.
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Mercury, Get Ready for a Close-Up
MESSENGER plans to get personal with our mysterious terrestrial neighbor.
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Mercury: The Key to Terrestrial Planet Evolution →
Mercury is an extreme: the smallest, the densest, it has the oldest surface, the largest daily variations in surface temperature - and it's the least explored.
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Mercury: Planet Closest to the Sun →
Everything you always wanted to know about Mercury and more!
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Ice on Mercury? →
Earth-based radar imaging of Mercury has revealed areas of high radar reflectivity near the north and south poles, which could indicate of the presence of ice.
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Mercury - Frequently Asked Questions! →
Answers to some common questions about the planet Mercury.
Related Multimedia
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A MESSENGER to Mercury
What can the innermost planet tell us about life on Earth?
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MESSENGER Animations
› View Animations →
 "An artist's conception of MESSENGER in orbit around Mercury.")