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张衡环形山

张衡环形山
阿波罗16号拍摄的斜视图(朝北)
纬度18.90°N
经度112.21°E
直径42.65公里
深度2.236
余经日出时248°
命名来源张衡
阿波罗14号哈苏相机拍摄的斜视图(面朝东)

张衡环形山(英語:Chang Heng)是位于月球背面北半球的一座大撞击坑,约形成于39.2-38.5亿年前的酒海纪[1],其名称取自中国东汉天文学家、科学家张衡[2],1970年被国际天文学联合会批准接受。

张衡环形山位于巨大的环壁平原-弗莱明环形山东北部一座直径不到1公里的陨坑旁,其月面坐标18°54′N 112°13′E / 18.90°N 112.21°E / 18.90; 112.21 (张衡环形山),直径42.65公里,深度约2.236公里[1]

该环形山的边缘有些磨损,北侧边缘上坐落着一对小陨石坑,沿东、南边缘还有一些微小的陨坑,坑壁高出周边地形1050多米[1],内部容积约有1385.77公里3[1]。坑内地表上有一个直径是它三分之一的更小同环心坑。

卫星陨石坑

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按照惯例,卫星陨石坑在月表地图上以字母标注在陨坑中心旁。

张衡环形山 纬度 经度 直径
C 20.38° N 113.9° E 19.90公里

另请参阅

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参考文献

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参考来源

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  1. ^ 1.0 1.1 1.2 1.3 Lunar Impact Crater Database
  2. ^ 张衡
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张衡环形山
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