墨西拿峽谷

墨西拿峽谷（Messina Chasma）是天王星衛星天衛三表面最大的峽谷，以威廉·莎士比亞的喜劇無事生非中的城市墨西拿（位於西西里島）命名^[1]。

地理

這個全長1492公里的峽谷是由兩個西北－東南走向的正斷層構成，也就是地塊下陷形成的地塹^[2]。該峽谷將許多撞擊坑切穿，代表它的形成時間相當晚^[3]，該峽谷形成原因可能是內部的水結冰後膨脹使外殼體積膨脹導致破裂^[4]。墨西拿峽谷只有少數撞擊坑，這暗示它是相當年輕的。墨西拿峽谷的影像由航海家2號首次拍攝於1986年1月^[2]。

參考資料

^ Titania: Messina Chasmata. Gazetteer of Planetary Nomenclature. USGS Astrogeology. [2009-06-25]. （原始內容存檔於2019-05-04）.
^ ^2.0 ^2.1 Smith, B.A.; Soderblom, L.A.; Beebe, A. et al.. Voyager 2 in the Uranian System: Imaging Science Results. Science. 1986, 233 (4759): 97–102. Bibcode:1986Sci...233...43S. PMID 17812889. doi:10.1126/science.233.4759.43.
^ Plescia, J.B. Cratering history of the Uranian satellites: Umbriel, Titania and Oberon. Journal of Geophysical Research. 1987, 92 (A13): 14,918–32. Bibcode:1987JGR....9214918P. doi:10.1029/JA092iA13p14918.
^ Croft, S.K. New geological maps of Uranian satellites Titania, Oberon, Umbriel and Miranda. Proceeding of Lunar and Planetary Sciences 20 (Lunar and Planetary Sciences Institute, Houston). 1989: 205C [2012-01-04]. （原始內容存檔於2017-08-28）.

[Messina-1] Titania: Messina Chasmata. Gazetteer of Planetary Nomenclature. USGS Astrogeology. [2009-06-25]. （原始內容存檔於2019-05-04）.

[Smith1986-2] 2.0 ^2.1 Smith, B.A.; Soderblom, L.A.; Beebe, A. et al.. Voyager 2 in the Uranian System: Imaging Science Results. Science. 1986, 233 (4759): 97–102. Bibcode:1986Sci...233...43S. PMID 17812889. doi:10.1126/science.233.4759.43.

[Plescia1987-3] Plescia, J.B. Cratering history of the Uranian satellites: Umbriel, Titania and Oberon. Journal of Geophysical Research. 1987, 92 (A13): 14,918–32. Bibcode:1987JGR....9214918P. doi:10.1029/JA092iA13p14918.

[Croft1989-4] Croft, S.K. New geological maps of Uranian satellites Titania, Oberon, Umbriel and Miranda. Proceeding of Lunar and Planetary Sciences 20 (Lunar and Planetary Sciences Institute, Houston). 1989: 205C [2012-01-04]. （原始內容存檔於2017-08-28）.

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