July 2, 2008—A field of starlike dunes sparkles on Mars in a new image from HiRISE, the high-resolution camera on-board the Mars Reconnaissance Orbiter.

Star dunes are also found on Earth, but scientists still don't fully understand the windblown features.

This particular field of star dunes near Schiaparelli Crater is flanked by linear ripples known as Transverse Aeolian Ridges (TARs).

Such features are evidence of the interaction between a planet's atmosphere and its surface, and they allow scientists to study both.

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