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The geology of Triton encompasses the physical characteristics of the surface, internal structure, and geological history of Neptune's largest moon Triton. With a mean density of 2.061 g/cm 3 , [ 1 ] Triton is roughly 15-35% water ice by mass; Triton is a differentiated body, with an icy solid crust atop a probable subsurface ocean and a rocky ...
Triton's surface area is 23 million km 2, which is 4.5% of Earth, or 15.5% of Earth's land area. Triton has an unusually high albedo, reflecting 60–95% of the sunlight that reaches it, and it has changed only slightly since the first
Geological map of Triton, with some major surface features labelled in the upper map. This is a list of named geological features on Triton. Catenae (crater chains)
Surface area Density Gravity [note 3] Type Discovery (R ... Triton Neptune I: 1 353.4 ...
Slidr Sulci is a major tectonic fault on Neptune's largest moon Triton. It crosses a wide variety of terrains on Triton, most prominently the cantaloupe terrain, an unusually-textured region resembling the skin of a North American cantaloupe. The fault is named after the River Sliðr of Norse mythology, whose waters in Hel are filled with swords.
Triton follows a retrograde and quasi-circular orbit, and is thought to be a gravitationally captured satellite. It was the second moon in the Solar System that was discovered to have a substantial atmosphere, which is primarily nitrogen with small amounts of methane and carbon monoxide. [26] The pressure on Triton's surface is about 14 μbar. [26]
The proposed mechanism for the formation of dust devils is that patches of the surface without nitrogen frost would heat up more quickly than the surrounding area. Given this and Triton's low surface pressure, the atmosphere would begin to heat up due to convection, to as much as 10 K greater than the surface temperature, allowing for the ...
The mean surface pressure varies significantly with respect to Triton's seasons; by 1997, Triton's atmospheric surface pressure had risen to approximately 1.9 +0.18 −0.15 Pa [ 2 ] and the surface pressure may have reached a maximum of roughly 4 Pa by 2010 (though there were no direct measurements via occultation between 2007 and 2017).