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珍妮撞击坑

珍妮撞击坑
行星金星
座标40°06′N 331°30′E / 40.1°N 331.5°E / 40.1; 331.5
金星方格列表赛德娜方格
直径19.4千米(12.1英里)
命名法语名字

珍妮(英语:Jeanne)是金星上的一个撞击坑

独特的三角状喷发物表明,该陨石坑的形成可能源于一次自西南往东北的斜向撞击。陨石坑被两种类型的暗物质包围,在该坑的西南边较暗区域覆盖着平滑的(雷达反射暗)熔浆流,与周围更亮的熔岩流有着非常明显的指状连接;东北边极暗区域可能被如细粒沉积物等平滑物质覆盖。撞击坑周围的暗晕是不称的,模拟了喷发物覆盖区的非对称形状,该暗晕可能是撞击物产生的大气冲击或压力波所造成的。珍妮撞击坑西北边也显示几个外溢瓣,这些流状特征可能细粒物质因撞击受热形成的紊流,另或是碰撞溶化形成的熔岩流。[1]

参阅

[编辑]

 本条目引用的公有领域材料来自美国国家航空航天局的网站或文档。

  1. ^ PIA00472: Venus - Impact Crater 'Jeanne. Jet Propulsion Laboratory Website. NASA. [2008-07-10]. (原始内容存档于2008-09-23). 
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珍妮撞击坑
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