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The climate of Triton encompasses the atmospheric dynamics, weather, and long-term atmospheric trends of Neptune 's moon Triton. The atmosphere of Triton is rather thin, with a surface pressure of only 1.4 Pa (1.38 × 10 −5 atm) at the time of Voyager 2 ' s flyby, [1]: 873 but heavily variable. Despite its low surface pressure, it still ...
- Discovery
- Overview
- How Triton Got Its Name
Triton was discovered on Oct. 10, 1846 by British astronomer William Lassell, just 17 days after Neptune itself was discovered.
Triton is the largest of Neptune's 13 moons. It is unusual because it is the only large moon in our solar system that orbits in the opposite direction of its planet's rotation―a retrograde orbit. Scientists think Triton is a Kuiper Belt Object captured by Neptune's gravity millions of years ago. It shares many similarities with Pluto, the best know...
Triton is named after the son of Poseidon (the Greek god comparable to the Roman Neptune). Until the discovery of the second moon Nereid in 1949, Triton was commonly known as simply "the satellite of Neptune."
A 3D model of Triton, a moon of Neptune. Triton has a diameter of 1,680 miles (2,700 kilometers). Spacecraft images show the moon has a sparsely cratered surface with smooth volcanic plains, mounds and round pits formed by icy lava flows. Triton consists of a crust of frozen nitrogen over an icy mantle believed to cover a core of rock and metal.
Aug 6, 2020 · In 1989, after a 12-year journey, a small human-made spacecraft known as Voyager 2 flew by the planet Neptune, and had a fruitful (though brief) encounter with an exotic and fascinating world: Triton. This small body, 2709 km in diameter, originated in the cold trans-Neptunian space occupied by the Kuiper Belt, before being captured into ...
Jun 5, 2020 · Furthermore, data acquired during Voyager 2’s flyby showed a tenuous but extended nitrogen atmosphere (with minor contents of methane, possibly highly localised), exerting a surface pressure as low as 14 micro-bar (equivalent to 1/70,000th of the Earth’s atmospheric pressure) and ranging in temperature between 38 K (-235.15℃) close to Triton’s surface, and 95 K (-178.15℃) in the ...
Aug 26, 2019 · With relatively few impact craters, Triton’s surface is believed to be young, having been remodeled by melting. Despite Triton’s frigid -392o F surface temperature, Voyager’s images revealed evidence of geysers spewing dark material into the moon’s tenuous atmosphere that deposited back onto the surface.
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Neptune's largest moon Triton, is seen in this mosaic of images captured by Voyager 2 during the only visit thus far to the Neptune system. Triton is one of only three objects in the Solar System known to have a nitrogen-dominated atmosphere (the others are Earth and Saturn's giant moon, Titan).
