单词 | syrtis major planum |
释义 | Syrtis Major PlanumSyrtis Major PlanumA dark triangular plateau near the Martian equator and prominent to Earth-based observers. It is centered on the aerographic coordinates 10° N latitude, 290° W longitude (see areography). The plateau is a low-relief volcanic shield, apparently composed of basaltic rock. It slopes downward to the east and is prone to strong winds that move and remove light-colored dust to expose the darker rocks beneath. See also Mars, surface features. |
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