Unraveling the Mercury mystery: Boldly going where no one has gone before

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Artists concept of the NASAs MESSENGER spaceraft at Mercury. Credit: NASA
Artist's concept of the NASA's MESSENGER spaceraft at Mercury. Credit: NASA

Twelve years ago Sean Solomon put a proposal in front of NASA to develop the first probe to orbit Mercury. His tenacity has finally paid off. Three months ago his spacecraft, named Messenger (Mercury surface, space environment, geochemistry and ranging), made its first flyby of Mercury, recording never-before-seen images of the mysterious planet.


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