墨西拿峡谷

墨西拿峡谷（Messina Chasma）是天王星卫星天卫三表面最大的峡谷，以威廉·莎士比亚的喜剧无事生非中的城市墨西拿（位于西西里岛）命名^[1]。

地理

这个全长1492公里的峡谷是由两个西北－东南走向的正断层构成，也就是地块下陷形成的地堑^[2]。该峡谷将许多撞击坑切穿，代表它的形成时间相当晚^[3]，该峡谷形成原因可能是内部的水结冰后膨胀使外壳体积膨胀导致破裂^[4]。墨西拿峡谷只有少数撞击坑，这暗示它是相当年轻的。墨西拿峡谷的影像由航海家2号首次拍摄于1986年1月^[2]。

参考资料

^ Titania: Messina Chasmata. Gazetteer of Planetary Nomenclature. USGS Astrogeology. [2009-06-25]. （原始内容存档于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]. （原始内容存档于2017-08-28）.

[Messina-1] Titania: Messina Chasmata. Gazetteer of Planetary Nomenclature. USGS Astrogeology. [2009-06-25]. （原始内容存档于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]. （原始内容存档于2017-08-28）.

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