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Explanation: How did these layers of red cliffs form on Mars? No one is sure. The northern ice cap on Mars is nearly divided into two by a huge division named Chasma Boreale. No similar formation occurs on Earth. Pictured above, several dusty layers leading into this deep chasm are visible. Cliff faces, mostly facing left but still partly visible from above, appear dramatically red. The light areas are likely water ice. The above image spans about one kilometer near the north of Mars, and the elevation drop from right to left is over a kilometer. One hypothesis relates the formation of Chasma Boreale to underlying volcanic activity.
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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