Category:Columnar jointing on Mars
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Lava flows sometimes cool to form large groups of more-or-less equally sized columns.[1] They may be evidence of water.
Media in category "Columnar jointing on Mars"
The following 3 files are in this category, out of 3 total.
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14016 1945columnarjointing.jpg 1,860 × 929; 478 KB
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14016 1945columnarjointingwide.jpg 1,861 × 930; 672 KB
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ESP 014016 1945columnarjointing.jpg 2,048 × 5,310; 2.05 MB