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Explanation: What is that dark sand dune doing on Mars? NASA's robotic rover Curiosity has been studying it to find out, making this the first-ever up-close investigation of an active sane dune on another world. Named Namib Dune, the dark sand mound stands about 4 meters tall and, along with the other Bagnold Dunes, is located on the northwestern flank of Mount Sharp. The featured image was taken last month and horizontally compressed here for comprehensibility. Wind is causing the dune to advance about one meter a year across the light bedrock underneath, and wind-blown sand is visible on the left. Part of the Curiosity rover itself is visible on the lower right. Just in the past few days, Curiosity scooped up some of the dark sand for a detailed analysis. After further exploration of the Bagnold Dunes, Curiosity is scheduled to continue its trek up the 5-kilometer tall Mount Sharp, the central peak in the large crater where the car-sized rover landed.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: Mars
Publications with words: Mars
See also:
- APOD: 2026 July 29 Á Psyche Receives Gravity Assist from Mars
- APOD: 2026 July 28 Á Barnards Loop over Twin Volcanoes
- APOD: 2026 July 21 Á Turtle Rock on Mars
- APOD: 2026 June 27 Á Mars Marathon by Perseverance
- APOD: 2026 February 22 Á Shadow of a Martian Robot
- APOD: 2026 February 1 Á Galle: Happy Face Crater on Mars
- APOD: 2025 September 28 Á Leopard Spots on Martian Rocks