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史波尼克平原

史波尼克平原
標誌在冥王星地圖上的史波尼克平原
位置冥王星湯博區
坐标20°N 180°E / 20°N 180°E / 20; 180
命名史波尼克1號

史波尼克平原(英語:Sputnik Planitia)是冥王星上的一片有著不規則溝槽切割的冰凍平原。這些溝槽大約20 km(12 mi)長,槽底可能有鏈狀的山或包含更為黯淡的物質[1]。史波尼克平原是心形的湯博區西側,在表面上看似風吹出的條紋,是昇華的證據[2][3][4]。黑暗的條紋長數公里,都排列在相同的方向上[1]。平原也包含一些可能是昇華形成的小坑[1]。史波尼克平原的名稱是紀念歷史上第一顆成功發射的人造衛星,即蘇聯史普尼克1號而命名的。

多邊形的結構是對流的標記,推測是一層薄薄的水冰覆蓋著甲烷[5]

史波尼克平原的西南邊界與高聳出表面約1.6 km(5,200英尺)的希拉蕊山接壤[6],再往南是高出表面3.4 km(11,000英尺)高的諾蓋山[7],這兩座山是以1953年5月29日第一位登上地球最高峰珠穆朗瑪峰紐西蘭登山家艾德蒙·希拉蕊爵士和尼泊爾雪巴人丹增諾蓋命名[8]。广阔的地區出人意料地命名为葡萄牙語科列塔德達多斯丘,是以葡萄牙人的科列塔德達多斯衛星命名,以纪念第一顆在巴西發射進入太空的人造衛星[9]

圖集

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冥王星 - 諾蓋山(前景左邊)、希拉蕊山(天空線左邊)、史波尼克平原(右邊)
接近日落時,包括幾層陰霾的冥王星大氣影像

錄影

[编辑]
冥王星 - 模擬飛越冥王星的影帶
(2015年9月18日釋出,00:30)

相關條目

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參考資料

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  1. ^ 1.0 1.1 1.2 Gary, Stuart. NASA'S New Horizons discovers frozen plains in the heart of Pluto's ‘Heart’. [2015-07-27]. [永久失效連結]
  2. ^ 2.0 2.1 New high-resolution images show Pluto's 'icy, frozen plains'. TheVerge.com. [2015-07-18]. (原始内容存档于2015-12-26).  参数|newspaper=与模板((cite web))不匹配(建议改用((cite news))|website=) (帮助)
  3. ^ 3.0 3.1 New Horizons. Pluto.jhuapl.edu. [2015-07-18]. (原始内容存档于2015-11-20).  参数|newspaper=与模板((cite web))不匹配(建议改用((cite news))|website=) (帮助)
  4. ^ 4.0 4.1 Staff. NASA – Video (01:20) – Animated flyover of Pluto's icy mountain and plains. NASA & YouTube. 2015-07-17 [2015-07-18]. (原始内容存档于2016-03-23). 
  5. ^ Prentice, Andrew. Pluto revealed raises questions about its origins. ABC Science. 2015-07-22 [2015-07-27]. (原始内容存档于2015-09-26). 
  6. ^ NASA’s New Horizons Discovers Exotic Ices on Pluto. SciNews.com. 2015-07-24 [2015-07-25]. (原始内容存档于2015-10-18). 
  7. ^ Staff. APOD: 2015 July 18 – Fly Over Pluto. NASA. 2015-07-18 [2015-07-27]. (原始内容存档于2015-12-20). 
  8. ^ Pokhrel, Rajan. Nepal’s mountaineering fraternity happy over Pluto mountains named after Tenzing Norgay Sherpa - Nepal's First Landmark In The Solar System. The Himalayan Times. 2015-07-19 [2015-07-19]. (原始内容存档于2015-08-13). 
  9. ^ Brasil recebe nomenclatura em Plutão. GOASA. [2015-10-22]. (原始内容存档于2016-04-02). 
  10. ^ Chang, Kenneth. Pluto terrain yields big surprises in New Horizons images. New York Times. 2015-07-17 [2015-07-17]. (原始内容存档于2015-09-06). 
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史波尼克平原
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