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Mars Global Surveyor Discovers Current Liquid Water Activity on Mars(图)
Mars Liquid Water
2006/12/20
national aeronautics and space administration to Discuss Exploration Strategy and Lunar Architecture(图)
Lunar Architecture televised news conference
2006/12/8
NASA Scientists Find Primordial Organic Matter in Tagish Lake Meteorite(图)
Organic Matter Solar System meteorite
2006/12/8