STS099-702-45 Click the photo number to access all resolutions available and the database record.
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| STS099-702-45 |
STS099-702-45 Click the photo number to access all resolutions available and the database record. |
| Ethiopian Rift: The Ethiopian rift is a relatively young part of the vast East African rift system, which stretches from the Mediterranean coast to Mozambique on the Indian Ocean. Continental crust is still being pulled apart in this region -- an ocean basin has not yet formed, as has occurred in the Gulf of Aden and the Red Sea. Fault-bounded depressions in the rift valley are filled with lakes (sharp, straight lake shorelines), which are not yet connected by through-flowing streams. The northernmost is Lake Ziway; Lakes Langano (east), Abiyata (west), and Shala (south) form the cluster of three; still farther south is Lake Awasa. Volcanic vents are aligned along rift-valley faults (dark shield-shaped area in NE); successive lava flows from such fissure vents eventually build extensive basalt plateaus, as in the adjacent Ethiopian Highlands. |
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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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