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湯博區

湯博區(Tombaugh Regio)
冥王星之心照片,裁剪自新視野號拍攝的全盤視圖。
直径1,590 km(990 mi)[1]
命名克莱德·汤博
新視野號在2015年7月13日所拍攝的高解析度相片

湯博區(英語:Tombaugh Regio,俗稱冥王星之心)是矮行星冥王星一個顯著的表面特徵。[3][4][5]一個橫跨大約1,590公里的巨大、淺色區域,[1]NASA的媒體當中被暱稱為冥王星的“”。[6][7][8]

該區域首次被發現是在新视野号探測器從異常進入的安全模式恢復後,由冥王星所傳回來的初始影像。NASA最初依照其整體外型輪廓而稱為“心”。[9]2015年7月15日,這個區域被NASA正式命名為“湯博區”,以紀念冥王星的發現者-天文學家克莱德·汤博[3]儘管如此,NASA仍舊會使用“心”來稱呼這個區域[10]

稍後收集到的資料顯示,“心”的兩“葉”雖然共同有一個明亮的外觀,但相鄰的地質特性卻截然不同。左葉的部分比右葉來得平滑,顏色也有些微不同。[11]在早先的猜想,左葉是被氮雪填滿的巨大隕石坑,當中的亮點則是突出的山峰。[12]7月15日公開的照片顯示了當中有3,500公尺高,由水冰形成的山脈。在“心”底部的深暗區域,似乎可能是一個含有大量冰的撞擊坑,而“水冰山脈”是碰撞的殘餘碎片,“湯博區”的平滑特徵則是碰撞後安定的殘餘。

在新視野號所得到最初的相片中,平滑的表面缺乏撞擊坑,顯示該大撞擊在冥王星的行星形成中是“近期”發生的。從這種巨大的撞擊產生的熱,可能是行星碰撞的交互作用中仍無法解釋的能量儲存。這樣撞擊的巨大力量可以解釋一些冥王星表面所看到的地質特徵,同時也有助於進一步解釋其他目前尚未了解的地貌過程。[13]

這個特徵在新視野號穿越的60年前已經被辨認為是一個亮點,雖然在當時仍不可能有足夠的解析度來確定它的形狀。[14]

有些人也認為這個特徵看起來像是迪士尼當中與冥王星同名的角色——布鲁托[15][16][17]。此外,該特徵也意外地與美少女戰士水手冥王星的武器時空之杖上可分離的石榴石外型相似。

新視野號拍攝的湯博區南部山脈

參考來源

[编辑]
  1. ^ 1.0 1.1 Feltman, Rachel. New map of Pluto reveals a ‘whale’ and a ‘donut’. The Washington Post. 8 July 2015 [14 July 2015]. (原始内容存档于2019-05-27). 
  2. ^ citation
  3. ^ 3.0 3.1 O'Kane, Sean. This is the first high resolution image of Plutos' surface. The Verge. 15 July 2015 [15 July 2015]. (原始内容存档于2019-01-05). 
  4. ^ Coldewey, Devin. Latest New Horizons Photo Shows Close-Up of Pluto's Young Mountains. NBC News. Comcast. 15 July 2015 [15 July 2015]. (原始内容存档于2018-06-21). 
  5. ^ The New York Times. New Horizons Reveals Ice Mountains on Pluto. The New York Times. 15 July 2015 [15 July 2015]. (原始内容存档于2019-02-07). 
  6. ^ New data reveals that Pluto's heart is broken页面存档备份,存于互联网档案馆).
  7. ^ Coming today: a close-up of Pluto's heart页面存档备份,存于互联网档案馆).
  8. ^ New Horizons spacecraft displays Pltuo's big heart页面存档备份,存于互联网档案馆).
  9. ^ NASA’s New Horizons: A “Heart” from Pluto as Flyby Begins. NASA. 8 July 2015 [15 July 2015]. (原始内容存档于2019-04-03). 
  10. ^ Kelly Beatty. Pluto and Charon Dazzle with Diversity. Popular Mechanics. 2015 [2015-07-16]. (原始内容存档于2015-07-20). 
  11. ^ Feltman, Rachel. New data reveals that Pluto’s heart is broken. The Washington Post. 14 July 2015 [14 July 2015]. (原始内容存档于2017-09-05). 
  12. ^ Achenbach, Joel. New Horizons reaches Pluto, sees complex terrain with ‘great mounds’. The Washington Post. 14 July 2015 [14 July 2015]. (原始内容存档于2015-07-15). 
  13. ^ Orwig, Jessica. The first insanely close-up photos of Pluto reveal water on its surface. Business Insider. 15 July 2015 [15 July 2015]. (原始内容存档于2016-05-09). 
  14. ^ Crockett, Christopher. Mission to Pluto: Live coverage: Sitting and speculating. Science News. 14 July 2015 [15 July 2015]. (原始内容存档于2016-05-27). 
  15. ^ Mike Westfall. Does Pluto's bright spot look more like a heart or the Disney dog?. baynews9.com. 14 July 2015 [2015-07-16]. (原始内容存档于2015-07-16). 
  16. ^ ALYSSA NEWCOMB. New Horizons Space Probe: Pluto Gets the Meme Treatment. abcnews. 14 July 2015 [2015-07-16]. (原始内容存档于2015-07-16). 
  17. ^ The best Pluto memes. Well done, internet. BBC. [16 July 2015]. (原始内容存档于2015-07-18). 
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湯博區
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