Mars’s mysterious slope streaks AREN'T SIGNS OF WATER after all!

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Dark Sand Cascades on Mars

r/space

The Victoria impact crater on Mars.

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NASA’s Ingenuity Mars Helicopter captured this view of sand ripples during its 70th flight, on Dec. 22, 2023.

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Frosty Sand Dunes of Mars from NASA

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Slope streaks fanning out on Mars.

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Victoria Crater at Meridiani Planum - This image from the HiRISE instrument on NASA Mars Reconnaissance Orbiter shows Victoria crater, an impact crater at Meridiani Planum, near the equator of Mars.

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Interesting weathering patterns on these rocks, recently imaged by the Curiosity rover on Mars. Image credit: NASA/JPL-Caltech/MSSS/Kevin M. Gill

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An optical illusion on Mars that appears to resemble ‘trees’ on the surface.

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Streaky slopes of a crater on Mars

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The Curiosity rover gave us our first close-up views of Mars. Scientists are trying to understand what forces drive Mars dunes to have ripples so much larger than Earth's.

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An approaching Martian dust storm

r/nasa

Mars’ Whirling Dust Devil