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比尔斯环形山

比尔斯环形山
月球轨道器4号拍摄的斜视图,中间为黎曼环形山,左下方是比尔斯环形山。
纬度37.11°N
经度86.58°E
直径52.61公里
深度2.83公里
余经日出时277°
命名来源卡莱尔·S·比尔斯

比尔斯环形山(Beals)是位于月球正面东侧边沿的一座大撞击坑,其名称取自加拿大天文学家卡莱尔·史密斯·比尔斯(1899年-1979年)[1],1982年被国际天文学联合会正式接受。

描述

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月球勘测轨道飞行器拍摄的图像
比尔斯环形山的周边,月球轨道器4号拍摄。

该陨坑西面坐落了巨大的高斯环形山、东北部分切入进黎曼环形山的西南壁,古老破损的维斯廷环形山则位于它的西南面 [2]。从地球上只能看到它的侧面,对它的最佳观察时机是在月球摄动期间。

该陨坑中心月面坐标37°07′N 86°35′E / 37.11°N 86.58°E / 37.11; 86.58,直径52.61公里[3], 深约2.83公里[4]

比尔斯环形山略显磨损,但沿边缘并未覆盖明显的撞击坑,与黎曼环形山相交的东北偏北侧内壁狭窄陡峭,南段边缘有些不规则。它的坑壁最大高出周边地形1150米[4],内部容积约为2250.32立方千米[4]。坑内中心点附近分布有一些低矮狭长的山脊。

在1982年被国际天文学联合会正式命名前,该陨坑曾被称作卫星坑黎曼 A(即卫星坑标记法:以所靠近的主坑名+字母来命名),也被称为第110号月坑[5]

参考资料

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  1. ^ Beals页面存档备份,存于互联网档案馆), Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)
  2. ^ Crater Beals on the map LAC-29. (PDF). [2017-07-13]. (原始内容存档 (PDF)于2013-02-20). 
  3. ^ Directory of the International Astronomical Union. [2017-07-13]. (原始内容存档于2020-11-20). 
  4. ^ 4.0 4.1 4.2 Lunar Impact Crater Database
  5. ^ Lunar Farside Chart (LFC-1A). [2017-07-13]. (原始内容存档于2017-05-10). 

另请参阅

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外部链接

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比尔斯环形山
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