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Triton is only slightly larger than Pluto and is nearly identical in composition, which has led to the hypothesis that the two share a common origin. [ 27 ] This has been further supported in a 2024 study of the chemical composition of Pluto and Triton which suggests they originated in the same region of the outer Solar System before the latter ...
Many TNOs are often just assumed to have Pluto's density of 2.0 g/cm 3, but it is just as likely that they have a comet-like density of only 0.5 g/cm 3. [ 4 ] For example, if a TNO is incorrectly assumed to have a mass of 3.59 × 10 20 kg based on a radius of 350 km with a density of 2 g/cm 3 but is later discovered to have a radius of only 175 ...
At some time during the Greek and Roman era, Triton(s) became a generic term for a merman (mermen) in art and literature. In English literature, Triton is portrayed as the messenger or herald for the god Poseidon. Triton of Lake Tritonis of ancient Libya is a namesake mythical figure that appeared and aided the Argonauts.
Topography does not appear to strongly control the extent of Triton's volatile distribution (in strong contrast to Pluto's Sputnik Planitia ice sheet). However, the extent of Triton's polar caps may be significantly influenced by the internal heat flux from Triton's interior, with larger heat fluxes inducing greater asymmetry in the extent of ...
Pluto's four small circumbinary moons orbit Pluto at two to four times the distance of Charon, ranging from Styx at 42,700 kilometres to Hydra at 64,800 kilometres from the barycenter of the system. They have nearly circular prograde orbits in the same orbital plane as Charon. All are much smaller than Charon.
1st century sculpture of Pluto in the Getty Villa. In ancient Greek religion and mythology, Pluto (Greek: Πλούτων, Ploutōn) was the ruler of the Greek underworld.The earlier name for the god was Hades, which became more common as the name of the underworld itself.
Pharos is the only named surface feature on this moon. In Greek mythology, it refers to the island where Proteus reigned. [19] In addition to Pharos, there are several craters 50–100 km in diameter and many more with diameters less than 50 km. [4] Other landforms on Proteus include linear features such as scarps, valleys, and grooves. The ...
Based on mass updates from observations made by New Horizons [13] the mass ratio of Charon to Pluto is 0.1218:1. This is much larger than the Moon to the Earth: 0.0123:1. Because of the high mass ratio, the barycenter is outside of the radius of Pluto, and the Pluto–Charon system has been referred to as a dwarf double planet.