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NASA will begin transmitting commands to its Mars exploration rover Spirit on Monday as part of an escape plan to free the venerable robot from its Martian sand trap. Spirit has been lodged at a site ...
14 December 2006，The European Space Agency’s Mars Express spacecraft is providing new clues about the red planet’s geological history.
Mars Global Surveyor Discovers Current Liquid Water Activity on Mars（图）
Mars Liquid Water
2006/12/20
December 6, 2006，The discoveries were made as part of a campaign to monitor curious light-toned deposits that had been observed on the walls of craters in the mid-latitudes of Mars (from 30 to 60 degr...