ESA's Mars Express Orbiter Reveals Striking "Metallic" Dunes on Red Planet

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Space Exploration

18 July 2026 at 11:19 am

ESA's Mars Express Orbiter Reveals Striking "Metallic" Dunes on Red Planet

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Summary

The European Space Agency's Mars Express orbiter has captured new images of "metallic" dunes in Mars' Kaiser Crater, which are actually dark sand dunes covered in seasonal carbon dioxide frost. These images provide clues about Mars' geological history and the power of its ancient winds.

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