| 单词 | utopia planitia |
| 释义 | Utopia PlanitiaUtopia Planitia(yoo-toh -pee-ă) A smooth Martian plain located northwest of the Elysium Planitia volcanoes and centered on the coordinates 50° N latitude, 242° W longitude. It was chosen as the landing site of the Viking 2 Lander in 1976. |
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