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- Gully_(Mars) abstract "Martian gullies are small, incised networks of narrow channels and their associated downslope sediment deposits, found on the planet of Mars. They are named for their resemblance to terrestrial gullies. First discovered on images from Mars Global Surveyor, they occur on steep slopes, especially on the walls of craters. Usually, each gully has a dendritic alcove at its head, a fan-shaped apron at its base, and a single thread of incised channel linking the two, giving the whole gully an hourglass shape. They are estimated to be relatively young because they have few, if any craters. A subclass of gullies is also found cut into the faces of sand dunes, that are themselves considered to be quite young.Most gullies occur 30 degrees poleward in each hemisphere, with greater numbers in the southern hemisphere. Some studies have found that gullies occur on slopes that face all directions; others have found that the greater number of gullies are found on poleward facing slopes, especially from 30°-44° S. Although thousands have been found, they appear to be restricted to only certain areas of the planet. In the northern hemisphere, they have been found in Arcadia Planitia, Tempe Terra, Acidalia Planitia, and Utopia Planitia. In the south, high concentrations are found on the northern edge of Argyre basin, in northern Noachis Terra, and along the walls of the Hellas outflow channels. A recent study examined 54,040 CTX images that covered 85% of the Martian surface found 4861 separate gullied landforms (e.g., individual craters, mounds, valleys, etc.), which totaled tens of thousands of individual gullies. It is estimated that CTX can resolve 95% of gullies.On the basis of their form, aspects, positions, and location amongst and apparent interaction with features thought to be rich in water ice, many researchers think that the processes carving the gullies involve liquid water. However, this remains a topic of active research. Because the gullies are so young, this would suggest that liquid water has been present on Mars in its very recent geological past, with consequences for the potential habitability of the modern surface.On July 10, 2014, NASA reported that gullies on the surface of Mars were mostly formed by the seasonal freezing of carbon dioxide (CO2), and not by that of liquid water as considered earlier.".
- Gully_(Mars) thumbnail Gullies_in_the_southern_highlands_of_Mars.jpg?width=300.
- Gully_(Mars) wikiPageExternalLink MartianGullies.html.
- Gully_(Mars) wikiPageID "29209294".
- Gully_(Mars) wikiPageLength "42120".
- Gully_(Mars) wikiPageOutDegree "86".
- Gully_(Mars) wikiPageRevisionID "683273218".
- Gully_(Mars) wikiPageWikiLink Acidalia_Planitia.
- Gully_(Mars) wikiPageWikiLink Alluvial_fan.
- Gully_(Mars) wikiPageWikiLink Aquifer.
- Gully_(Mars) wikiPageWikiLink Arcadia_Planitia.
- Gully_(Mars) wikiPageWikiLink Arcadia_quadrangle.
- Gully_(Mars) wikiPageWikiLink Argyre_quadrangle.
- Gully_(Mars) wikiPageWikiLink Arkhangelsky_(crater).
- Gully_(Mars) wikiPageWikiLink Arkhangelsky_Crater.
- Gully_(Mars) wikiPageWikiLink Atlantis_Chaos.
- Gully_(Mars) wikiPageWikiLink Bamberg_(crater).
- Gully_(Mars) wikiPageWikiLink Bamberg_crater.
- Gully_(Mars) wikiPageWikiLink Carbon_dioxide.
- Gully_(Mars) wikiPageWikiLink Casius_quadrangle.
- Gully_(Mars) wikiPageWikiLink Category:Geology_of_Mars.
- Gully_(Mars) wikiPageWikiLink Climate_of_Mars.
- Gully_(Mars) wikiPageWikiLink Dendritic_drainage.
- Gully_(Mars) wikiPageWikiLink Drainage_system_(geomorphology).
- Gully_(Mars) wikiPageWikiLink Eridania_quadrangle.
- Gully_(Mars) wikiPageWikiLink Geology_of_Mars.
- Gully_(Mars) wikiPageWikiLink Glacier.
- Gully_(Mars) wikiPageWikiLink Glaciers.
- Gully_(Mars) wikiPageWikiLink Gorgonum_Chaos.
- Gully_(Mars) wikiPageWikiLink Gully.
- Gully_(Mars) wikiPageWikiLink HiRISE.
- Gully_(Mars) wikiPageWikiLink HiWish_program.
- Gully_(Mars) wikiPageWikiLink Jezza_Crater.
- Gully_(Mars) wikiPageWikiLink Jezža_(crater).
- Gully_(Mars) wikiPageWikiLink Liquid_water.
- Gully_(Mars) wikiPageWikiLink Lohse_(Martian_crater).
- Gully_(Mars) wikiPageWikiLink Lohse_Crater.
- Gully_(Mars) wikiPageWikiLink MOC_Public_Targeting_Program.
- Gully_(Mars) wikiPageWikiLink Magma.
- Gully_(Mars) wikiPageWikiLink Mare_Acidalium_quadrangle.
- Gully_(Mars) wikiPageWikiLink Mars.
- Gully_(Mars) wikiPageWikiLink Mars_Global_Surveyor.
- Gully_(Mars) wikiPageWikiLink Nereidum_Montes.
- Gully_(Mars) wikiPageWikiLink Newton_(Martian_crater).
- Gully_(Mars) wikiPageWikiLink Noachis_Terra.
- Gully_(Mars) wikiPageWikiLink Noachis_quadrangle.
- Gully_(Mars) wikiPageWikiLink Patterned_ground.
- Gully_(Mars) wikiPageWikiLink Phaethontis_quadrangle.
- Gully_(Mars) wikiPageWikiLink Seasonal_flows_on_warm_Martian_slopes.
- Gully_(Mars) wikiPageWikiLink Sediment.
- Gully_(Mars) wikiPageWikiLink Tempe_Terra.
- Gully_(Mars) wikiPageWikiLink Terra_Sirenum.
- Gully_(Mars) wikiPageWikiLink Thaumasia_quadrangle.
- Gully_(Mars) wikiPageWikiLink Utah.
- Gully_(Mars) wikiPageWikiLink Utopia_Planitia.
- Gully_(Mars) wikiPageWikiLink Water.
- Gully_(Mars) wikiPageWikiLink Water_on_Mars.
- Gully_(Mars) wikiPageWikiLink Zion_National_Park.
- Gully_(Mars) wikiPageWikiLink File:Evidence_of_recent_cyclical_changes_of_climate_on_gully_formation_on_Mars.jpg.
- Gully_(Mars) wikiPageWikiLink File:Gullies_in_the_southern_highlands_of_Mars.jpg.
- Gully_(Mars) wikiPageWikiLink File:Gully_in_Phaethontis.jpg.
- Gully_(Mars) wikiPageWikiLinkText "Gullies on Mars".
- Gully_(Mars) wikiPageWikiLinkText "Gullies".
- Gully_(Mars) wikiPageWikiLinkText "Gully (Mars)".
- Gully_(Mars) wikiPageWikiLinkText "gullies".
- Gully_(Mars) wikiPageWikiLinkText "gully".
- Gully_(Mars) hasPhotoCollection Gully_(Mars).
- Gully_(Mars) wikiPageUsesTemplate Template:Cite_journal.
- Gully_(Mars) wikiPageUsesTemplate Template:Clear.
- Gully_(Mars) wikiPageUsesTemplate Template:Commons_category.
- Gully_(Mars) wikiPageUsesTemplate Template:Mars.
- Gully_(Mars) wikiPageUsesTemplate Template:Reflist.
- Gully_(Mars) wikiPageUsesTemplate Template:Wide_image.
- Gully_(Mars) subject Category:Geology_of_Mars.
- Gully_(Mars) hypernym Networks.
- Gully_(Mars) type Organisation.
- Gully_(Mars) comment "Martian gullies are small, incised networks of narrow channels and their associated downslope sediment deposits, found on the planet of Mars. They are named for their resemblance to terrestrial gullies. First discovered on images from Mars Global Surveyor, they occur on steep slopes, especially on the walls of craters.".
- Gully_(Mars) label "Gully (Mars)".
- Gully_(Mars) sameAs Gully.
- Gully_(Mars) sameAs m.0dlmnzq.
- Gully_(Mars) sameAs Q3779737.
- Gully_(Mars) sameAs Q3779737.
- Gully_(Mars) wasDerivedFrom Gully_(Mars)?oldid=683273218.
- Gully_(Mars) depiction Gullies_in_the_southern_highlands_of_Mars.jpg.
- Gully_(Mars) isPrimaryTopicOf Gully_(Mars).