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费斯曼 (月球陨石坑)

费斯曼 (月球陨石坑)
纬度17.9°N
经度126.06°W
直径148.14公里
深度2.971公里
余经日出时128°
命名来源亚历山大·叶·费斯曼
月球轨道器5号拍摄的斜视图,斑点条是原图中的瑕疵点。

费斯曼环形山(Fersman)是月球背面北半球一座古老的大撞击坑,约形成于39.2-38.5亿年前的酒海纪[1],其名称取自前苏联矿物学家地球化学家亚历山大·叶夫根耶维奇·费斯曼(1883年-1945年),1970年被国际天文学联合会正式接受。

描述

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该陨坑东面靠近已损毁的外尔环形山、西侧毗邻坡印廷环形山、较小的麦克纳利陨石坑康斯托克环形山分别位于它的北面和东北、西南坐落着相对较为年轻的米勒环形山,而南面稍远处则横亘更着巨大的赫茨普龙环形山[2]。该陨坑中心月面坐标17°54′N 126°04′W / 17.9°N 126.06°W / 17.9; -126.06,直径148.14公里[3],深约2.971公里[1]

费斯曼环形山边缘轮廓参差不齐,东南侧略微外凸。陨坑因存续期悠长而严重损毁,环磨损、低矮的坑壁上覆盖了众多尺寸不一的小撞击坑,其中南侧边缘几乎与周边地形形成一体。该环形山残壁最大高出周边地形表面1730米[1],内部容积约有24594.05立方千米[1]。沿东南壁及东部坑底堆积着一系列呈东南-西北走向的喷发物带,另外,一串近乎笔直的陨石坑径直从它的东南面穿过坑底,一路伸向西北。这串链坑在坑底中间断开,但在北侧壁附近又连接到一起,全长约100公里,这些都可能是东南方东方海盆地撞击形成时所抛射出的喷出物。费斯曼环形山坑内中心点以南还分布有一群小陨坑,此外,西侧内壁上也嵌入有一座小撞击坑。

参考资料

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  1. ^ 1.0 1.1 1.2 1.3 Lunar Impact Crater Database
  2. ^ Crater Fersman on the map LAC-53. (PDF). [2017-08-05]. (原始内容存档 (PDF)于2016-12-27). 
  3. ^ Directory of the International Astronomical Union. [2017-08-05]. (原始内容存档于2018-06-21). 

另请参阅

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外部链接

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费斯曼 (月球陨石坑)
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