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阿尔法区

阿尔法区
该幅金星表面三维立体图显示了阿尔区的一部分区域
类型
位置金星
坐标22°S 5°E / 22°S 5°E / -22; 5
直径1,500公里(930英里)

阿尔法区(英語:Alpha Regio)金星上以南纬22°、东经5°为中心向外延伸1500公里的区域。

该地形于1964年由迪克·戈尔茨坦发现並命名。[1] 该命名于1976年和1979年间由国际天文学联合会工作组按行星系统命名法认可批准。[2] 馬克士威山脈、阿尔法区和贝塔区是三个金星上不以女神或女性命名的表面特征。 该区域的地表是所谓的“镶嵌地块”,即意味着地面已高度变形,在多个方向受压变形并紧密间隔排列的地形。该词汇源于希腊字“平铺”(俄罗斯研究人员分析金星15号金星16号图像认为该种地形看起来像镶木地板)。像所有镶嵌地块区,它高于周边地面1至2公里并显示有着严重的折叠收缩变形。也像大部分镶嵌地块单元,周边的火山平原显示较阿尔法区地质年龄更青。

通过金星快车轨道器的红外图显示,阿尔法区高原上岩石颜色较亮,看上去比金星大部分地区的更旧,在地球上,类似亮色的岩石通常是花岗岩[3]

参见

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参阅

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  1. ^ Butrica, Andrew J., SP-4218 To See the Unseen, Chapter 5: Normal Science页面存档备份,存于互联网档案馆), NASA, 1996
  2. ^ Butrica, Andrew J., SP-4218 To See the Unseen, Chapter 6: Pioneering on Venus and Mars页面存档备份,存于互联网档案馆), NASA, 1996
  3. ^ New map hints at Venus' wet, volcanic past | International Space Fellowship. [2014-01-14]. (原始内容存档于2009-09-16). 
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阿尔法区
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