| 词条 | Cyane Fossae |
| 释义 |
|name = Cyane Fossae |image = Cyane Fossae based on day THEMIS.png |caption = Cyane Fossae based on THEMIS day-time image |coordinates = {{coord|31.3|N|121.2|W|globe:mars_type:landmark|display=inline,title}} }}Cyane Fossae is a trough in the Diacria quadrangle of Mars. It is centered at 31.3° north latitude and 121.2° west longitude. It is {{convert|913|km|mi}} long and was named after a classical albedo feature name.[1] The term "fossae" is used to indicate large troughs when using geographical terminology related to Mars. Troughs, sometimes also called grabens, form when the crust is stretched until it breaks, which forms two breaks with a middle section moving down, leaving steep cliffs along the sides. Sometimes, a line of pits form as materials collapse into a void that forms from the stretching.[2] References{{commonscat|Cyane Fossae}}1. ^{{gpn|1358}} {{Geography of Mars}}{{portal bar|Mars}}{{Mars-stub}}2. ^Mars Global Surveyor MOC2-620 Release 2 : Valleys and canyons on Mars|Diacria quadrangle |
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