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- Equatorial_ridge abstract "Equatorial ridges are a feature of at least three of Saturn's moons: the large moon Iapetus and the tiny moons Atlas and Pan. They are ridges that closely follow the moons' equators. They appear to be unique to the Saturnian system, but it is uncertain whether the occurrences are related or a coincidence. All three were discovered by the Cassini probe in 2005.The ridge on Iapetus is nearly 20 km wide, 13 km high and 1,300 km long. The ridge on Atlas is proportionally even more remarkable given the moon's much smaller size, and distorts the moon's shape into an odd, UFO-like appearance. Images of Pan are less clear, but show a structure similar to that of Atlas.It is not certain how these ridges formed, or whether there is any connection between them. Because Atlas and Pan orbit within the rings of Saturn, a likely explanation for their ridges is that they sweep up ring particles as they orbit, which build up around their equators. This theory is less applicable to Iapetus, which orbits far beyond the rings. One scientist has suggested that Iapetus swept up a ring before being somehow expelled to its current, distant orbit.[1] Others think it was stationary and it is the rings that have been pulled away from it, falling into Saturn's gravity field. Perhaps more likely is the theory that because Iapetus has an unusually large Hill sphere compared to other moons in our solar system, it could once have had its own ring, or even a moonlet that was slowly pulled in closer, torn up into a ring, and then gradually accreted onto Iapetus' equator. But most scientists prefer to assume that Iapetus's ridge was produced by some kind of internal source and is unrelated to the ridges on Atlas and Pan.".
- Equatorial_ridge thumbnail Iapetus_706_1419_1.jpg?width=300.
- Equatorial_ridge wikiPageExternalLink 071206-saturn-moons.html.
- Equatorial_ridge wikiPageExternalLink iapetus_consume_saturn_ring.html.
- Equatorial_ridge wikiPageID "2499289".
- Equatorial_ridge wikiPageLength "2542".
- Equatorial_ridge wikiPageOutDegree "14".
- Equatorial_ridge wikiPageRevisionID "683038031".
- Equatorial_ridge wikiPageWikiLink Atlas_(moon).
- Equatorial_ridge wikiPageWikiLink Cassini-Huygens_Mission.
- Equatorial_ridge wikiPageWikiLink Cassini–Huygens.
- Equatorial_ridge wikiPageWikiLink Category:Surface_features_of_Saturns_moons.
- Equatorial_ridge wikiPageWikiLink Equator.
- Equatorial_ridge wikiPageWikiLink Iapetus_(moon).
- Equatorial_ridge wikiPageWikiLink Natural_satellite.
- Equatorial_ridge wikiPageWikiLink Pan_(moon).
- Equatorial_ridge wikiPageWikiLink Ridge.
- Equatorial_ridge wikiPageWikiLink Rings_of_Saturn.
- Equatorial_ridge wikiPageWikiLink Saturn.
- Equatorial_ridge wikiPageWikiLink Unidentified_flying_object.
- Equatorial_ridge wikiPageWikiLink File:Atlas_Rev09.2x.jpg.
- Equatorial_ridge wikiPageWikiLink File:Iapetus_706_1419_1.jpg.
- Equatorial_ridge wikiPageWikiLink File:Pan_Rev09.2x.jpg.
- Equatorial_ridge wikiPageWikiLinkText "equatorial ridge".
- Equatorial_ridge hasPhotoCollection Equatorial_ridge.
- Equatorial_ridge wikiPageUsesTemplate Template:Astronomy-stub.
- Equatorial_ridge wikiPageUsesTemplate Template:Citation_needed.
- Equatorial_ridge wikiPageUsesTemplate Template:Geo-term-stub.
- Equatorial_ridge wikiPageUsesTemplate Template:Geology-stub.
- Equatorial_ridge wikiPageUsesTemplate Template:Saturn.
- Equatorial_ridge subject Category:Surface_features_of_Saturns_moons.
- Equatorial_ridge hypernym Feature.
- Equatorial_ridge type Article.
- Equatorial_ridge type Planet.
- Equatorial_ridge type Work.
- Equatorial_ridge type Article.
- Equatorial_ridge type Planet.
- Equatorial_ridge comment "Equatorial ridges are a feature of at least three of Saturn's moons: the large moon Iapetus and the tiny moons Atlas and Pan. They are ridges that closely follow the moons' equators. They appear to be unique to the Saturnian system, but it is uncertain whether the occurrences are related or a coincidence. All three were discovered by the Cassini probe in 2005.The ridge on Iapetus is nearly 20 km wide, 13 km high and 1,300 km long.".
- Equatorial_ridge label "Equatorial ridge".
- Equatorial_ridge sameAs m.07j4n0.
- Equatorial_ridge sameAs Q5384291.
- Equatorial_ridge sameAs Q5384291.
- Equatorial_ridge sameAs 赤道脊.
- Equatorial_ridge wasDerivedFrom Equatorial_ridge?oldid=683038031.
- Equatorial_ridge depiction Iapetus_706_1419_1.jpg.
- Equatorial_ridge isPrimaryTopicOf Equatorial_ridge.