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- Sotra_Patera abstract "Sotra Patera (named after the Sotra islands in Norway) is a prominent feature on Titan, the largest moon of Saturn. It was formerly known as Sotra Facula; the current name was approved on 19 December 2012. It is believed to be an ice volcano or cryovolcano, forming a roughly circular mountain measuring about 65 kilometres (40 mi) across. It has two peaks standing about 1,000 metres (3,300 ft) and 1,500 metres (4,900 ft) high with multiple craters as much as 1,500 metres (4,900 ft) deep. Finger-like flows are visible on the flanks of the mountain, measuring perhaps 100 metres (330 ft) thick.The Cassini–Huygens mission has mapped Sotra Patera using the Cassini orbiter's onboard radar instrument and the visual and infrared mapping spectrometer. An earlier survey of the region in 2004 revealed a circular bright spot, or facula, which was nicknamed "The Rose". A subsequent flyby by Cassini re-surveyed the region from a different angle, enabling members of the US Geological Survey Astrogeology Science Center to generate stereoscopic mapping of Sotra Patera and the surrounding area. Researchers also discovered at least two more mountains and another big crater, forming a chain of mountains several hundred kilometers long flanked by lava-covered lowlands.Sotra Patera is regarded as "the very best evidence, by far, for volcanic topography anywhere documented on an icy satellite", according to planetary scientist Jeffrey Kargel of the University of Arizona. It has been compared with terrestrial volcanoes such as Etna, Laki and volcanic cones near Flagstaff, Arizona. There is as yet no evidence of current activity, but researchers plan to monitor the area for changes.It is unclear what might have been erupted from Sotra Patera—possibly water mixed with ammonium, or more exotic hydrocarbon compounds such as polyethylene, paraffin waxes or asphalt. The eruptions may also have brought methane to the surface. Titan's dense methane atmosphere is constantly being broken down by sunlight in the upper atmosphere through photolysis; cryovolcanism may therefore explain how the atmosphere is being replenished.The eruptions of Sotra Patera are presumed to originate in a layer of liquid water lying below Titan's icy crust. The mountain's heavily cratered appearance indicates that it must have erupted with considerable force, but the precise mechanism by which this happened is not certain. Liquid water is ordinarily denser than ice but it is possible that the water's density may be reduced by mixing with other substances, such as ammonia, allowing it to force its way to the surface. Alternatively, some other mechanism such as the underground formation of methane bubbles or a build-up of tectonic pressure may be responsible.".
- Sotra_Patera thumbnail Sotra_Facula.jpg?width=300.
- Sotra_Patera wikiPageID "30111665".
- Sotra_Patera wikiPageLength "4449".
- Sotra_Patera wikiPageOutDegree "28".
- Sotra_Patera wikiPageRevisionID "624718577".
- Sotra_Patera wikiPageWikiLink Ammonia.
- Sotra_Patera wikiPageWikiLink Ammonium.
- Sotra_Patera wikiPageWikiLink Asphalt.
- Sotra_Patera wikiPageWikiLink Cassini–Huygens.
- Sotra_Patera wikiPageWikiLink Category:Extraterrestrial_volcanoes.
- Sotra_Patera wikiPageWikiLink Category:Surface_features_of_Titan_(moon).
- Sotra_Patera wikiPageWikiLink Cryovolcano.
- Sotra_Patera wikiPageWikiLink File:Sotra_Facula.jpg.
- Sotra_Patera wikiPageWikiLink Flagstaff,_Arizona.
- Sotra_Patera wikiPageWikiLink Hydrocarbon.
- Sotra_Patera wikiPageWikiLink Laki.
- Sotra_Patera wikiPageWikiLink Methane.
- Sotra_Patera wikiPageWikiLink Moons_of_Saturn.
- Sotra_Patera wikiPageWikiLink Mount_Etna.
- Sotra_Patera wikiPageWikiLink Norway.
- Sotra_Patera wikiPageWikiLink Paraffin_wax.
- Sotra_Patera wikiPageWikiLink Patera.
- Sotra_Patera wikiPageWikiLink Photodissociation.
- Sotra_Patera wikiPageWikiLink Photolysis.
- Sotra_Patera wikiPageWikiLink Polyethylene.
- Sotra_Patera wikiPageWikiLink Saturn.
- Sotra_Patera wikiPageWikiLink Sotra.
- Sotra_Patera wikiPageWikiLink Stereoscopic.
- Sotra_Patera wikiPageWikiLink Stereoscopy.
- Sotra_Patera wikiPageWikiLink Titan_(moon).
- Sotra_Patera wikiPageWikiLink US_Geological_Survey.
- Sotra_Patera wikiPageWikiLink United_States_Geological_Survey.
- Sotra_Patera wikiPageWikiLink University_of_Arizona.
- Sotra_Patera wikiPageWikiLink File:Sotra_Facula_global_view.jpg.
- Sotra_Patera wikiPageWikiLinkText "Sotra Patera".
- Sotra_Patera caption "Stereoscopic map of Sotra Patera. Height is exaggerated by a factor of 10. The colours are false.".
- Sotra_Patera eOrW "W".
- Sotra_Patera eponym Norway.
- Sotra_Patera eponym Sotra.
- Sotra_Patera hasPhotoCollection Sotra_Patera.
- Sotra_Patera latitude "12.5".
- Sotra_Patera longitude "39.8".
- Sotra_Patera nOrS "S".
- Sotra_Patera name "Sotra Patera".
- Sotra_Patera type Patera.
- Sotra_Patera wikiPageUsesTemplate Template:Convert.
- Sotra_Patera wikiPageUsesTemplate Template:Infobox_feature_on_Titan.
- Sotra_Patera wikiPageUsesTemplate Template:Other_uses.
- Sotra_Patera wikiPageUsesTemplate Template:Reflist.
- Sotra_Patera wikiPageUsesTemplate Template:Titan.
- Sotra_Patera subject Category:Extraterrestrial_volcanoes.
- Sotra_Patera subject Category:Surface_features_of_Titan_(moon).
- Sotra_Patera hypernym Feature.
- Sotra_Patera type Work.
- Sotra_Patera type Feature.
- Sotra_Patera comment "Sotra Patera (named after the Sotra islands in Norway) is a prominent feature on Titan, the largest moon of Saturn. It was formerly known as Sotra Facula; the current name was approved on 19 December 2012. It is believed to be an ice volcano or cryovolcano, forming a roughly circular mountain measuring about 65 kilometres (40 mi) across. It has two peaks standing about 1,000 metres (3,300 ft) and 1,500 metres (4,900 ft) high with multiple craters as much as 1,500 metres (4,900 ft) deep.".
- Sotra_Patera label "Sotra Patera".
- Sotra_Patera sameAs Sotra_Facula.
- Sotra_Patera sameAs Sotra_Facula.
- Sotra_Patera sameAs Sotra_Patera.
- Sotra_Patera sameAs Sotra_Facula.
- Sotra_Patera sameAs Sotra_Facula.
- Sotra_Patera sameAs m.0g57421.
- Sotra_Patera sameAs Патера_Сотра.
- Sotra_Patera sameAs Q128514.
- Sotra_Patera sameAs Q128514.
- Sotra_Patera sameAs 索特拉光斑.
- Sotra_Patera wasDerivedFrom Sotra_Patera?oldid=624718577.
- Sotra_Patera depiction Sotra_Facula.jpg.
- Sotra_Patera isPrimaryTopicOf Sotra_Patera.