The 2002 Mars Odyssey orbiter detected rusted iron (iron oxides) on Mars' surface, providing scientific evidence that liquid water once flowed through Martian rocks, suggesting Mars was once a wet and icy world.
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2002 Mars Odyssey Orbiter spots rusted iron on Martian surfaceAdded:
2002 Mars Odyssey orbiter spots rusted iron on Martian surface. 2002 Mars Odyssey orbiter scans for signs of ancient water. Iron oxides suggest liquid once flowed through the rocks.
2002 Mars Odyssey orbiter maps the oldest canyon in the solar system. The data shows Mars was once a wet icy world. 2002 Mars Odyssey orbiter still orbits Mars searching for more clues.
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