STS103-728-22 Click the photo number to access all resolutions available and the database record.
| STS-103 Earth Sciences and Image Analysis Photographic Highlights |
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| STS103-728-22 |
STS103-728-22 Click the photo number to access all resolutions available and the database record. |
| Tifernine Dunes, Algeria: The Tifernine dunes (note, the Tifernine dunes are below the "beak" of sandstone rock) were created when the dark sandstone rocks trapped sand. Winds then piled the sand into dunes up to 457.2 m (1,500 ft). The color of the sandstone is due to a desert varnish. The varnish is composed of manganese, iron oxides, hydroxides, and clay minerals. |
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This service is provided by the International Space Station program and the JSC Astromaterials Research & Exploration Science Directorate. Recommended Citation: Image Science and Analysis Laboratory, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." . |
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