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NASA reveals photographs taken by Mars Global Surveyor suggesting the presence of liquid water on Mars.
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NASA
American space and aeronautics agency
The National Aeronautics and Space Administration is an independent agency of the US federal government responsible for the United States's civil space program, aeronautics research and space research. Established in 1958, it succeeded the National Advisory Committee for…Source: Wikipedia (CC BY-SA)
Mars Global Surveyor
NASA orbiter mission to Mars (1996–2006)
Mars Global Surveyor (MGS) was an American robotic space probe developed by NASA's Jet Propulsion Laboratory. It launched November 1996 and collected data from 1997 to 2006. MGS was a global mapping mission that examined the entire planet, from the ionosphere down through the…Source: Wikipedia (CC BY-SA)
Water on Mars
Study of past and present water on Mars
Although very small amounts of liquid water may occur transiently on the surface of Mars, limited to traces of dissolved moisture from the atmosphere and thin films, large quantities of ice are present on and under the surface. Small amounts of water vapor are present in the…Source: Wikipedia (CC BY-SA)