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28/05/2002 Mars Odyssey finds signs of large ice deposits on the planet Mars

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Mars Odyssey: Red Planet Orbital Record [720p]

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Spacecraft finds evidence of water on Mars

Thousands of images returned from Odyssey orbiter also support the idea that Mars once had great amounts of water flowing across its surface. Some images show patterns of branching valleys; others show layers that may have been formed under lakes; even river and lake deltas have been identified.
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    • Essentials 

    • Historical background 

    • Evidence from rocks and minerals 

    • Geomorphic evidence 

    • Present water 

    • Development of Mars' water inventory 

    • Habitability assessments 

    • Findings by probes