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March 31, 2011

MESSENGER becomes the First Spacecraft to Orbit Mercury

Nasa Messenger

Nasa Messenger

ENLARGE

Photo: An artist’s concept shows the MESSENGER spacecraft in orbit around Mercury. Credit: NASA.

NASA’s MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft entered orbit around Mercury March 17, becoming the first spacecraft to ever do so. While orbiting Mercury, MESSENGER’s instruments will perform the first complete reconnaissance of the planet’s geochemistry, geophysics, geologic history, atmosphere, magnetosphere, and plasma environment. On March 29, the Mercury Dual Imaging System was turned on and began capturing the first of thousands of orbital images.

Nasa Messenger

Photo: From Orbit, Looking toward Mercury’s Horizon. MESSENGER acquired this image of Mercury’s horizon as the spacecraft was moving northward. Credit: NASA, Johns Hopkins University Applied Physics Laboratory, and Carnegie Institution of Washington.

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Posted by Editors at March 31, 2011 6:01 AM | Link to this Post

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