Mars Global Surveyor
Mars Global Surveyor (MGS) is a NASA mission that arrived on the Red Planet on 1997-Sept-11. It was a global mapping mission that examined the entire planet, and also served as communications relay for surface probes such as Pathfinder and the twin Mars Exploration Rovers. It lost contact with Earth on 2006-Nov-2 and it will remain derelict in Mars orbit until a predicted orbital decay sometime in 2047
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