These bizarre spiky Mars rocks likely formed by erosion and ancient fractures | Space

The long-running NASA rover Curiosity imaged twisted Red Planet rock pillars.

A long-running NASA rover imaged twisted Red Planet rock pillars.

The Curiosity rover spotted(opens in new tab) the sinewy rocks on May 15, according to raw images the mission sends down to Earth. The images were obtained on Sol (Martian day) 3474 of the mission, as Curiosity speeds towards completing its first decade of work on Mars on Aug. 6.

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