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Image comparison: Crater Chains |
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a b c d e |
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Credit: NASA/JPL/University of Arizona Ill send you to their explanation but I don't believe it is accurate for they do not regard any electrical discharge machining possibilities. |
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Credit: NASA/JPL-Caltech Crater Chain on Ganymede. From Thunderbolts.info site. |
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1 2 3 4 5
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