Researchers are still working to understand the patches of bright sulfate material discovered by chance by the Spirit rover after its wheel churned up Martian soil during a failed climb at Columbia Hills. Credit: NASA/JPL. Click to enlarge.
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Researchers are still working to understand the patches of bright sulfate material discovered by chance by the Spirit rover after its wheel churned up Martian soil during a failed climb at Columbia Hills. Credit: NASA/JPL. Click to enlarge. |
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