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Triton is the largest natural satellite of the planet Neptune. It is the only moon of Neptune massive enough to be rounded under its own gravity and hosts a thin, hazy atmosphere. Triton orbits Neptune in a retrograde orbit—revolving in the opposite direction to the parent planet's rotation—the only large moon in the Solar System to do so.
In order of distance from Neptune, the regular moons are Naiad, Thalassa, Despina, Galatea, Larissa, Hippocamp, and Proteus. All but the outer two are within Neptune-synchronous orbit (Neptune's rotational period is 0.6713 day or 16 hours [20]) and thus are being tidally decelerated. Naiad, the closest regular moon, is also the second smallest ...
The average distance between Neptune and the Sun is 4.5 billion km (about 30.1 ... it is only 0.25% the mass of Triton. Neptune's innermost four moons ...
In this scenario, Triton directly interacts with surrounding gas and dust around Neptune, inducing drag that bleeds energy from Triton's orbit. A close encounter with Neptune, where Triton's relative velocity is larger due to gravitational acceleration, is capable of directly capturing Triton from Solar orbit in a single pass.
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 ...
Proteus orbits Neptune at a distance of approximately 117,647 km (73,102 mi), nearly equal to 4.75 times the equatorial radius of the planet. ... Triton's orbit upon ...
The seven largest natural satellites in the Solar System (those bigger than 2,500 km across) are Jupiter's Galilean moons (Ganymede, Callisto, Io, and Europa), Saturn's moon Titan, Earth's moon, and Neptune's captured natural satellite Triton. Triton, the smallest of these, has more mass than all smaller natural satellites together.
Triton is the largest moon of Neptune. In 1989, Voyager 2 flew past the moon at a distance of 40,000 km (25,000 mi), [7] and discovered several cryovolcanoes on its surface. Triton is geologically active, its surface is young and has relatively few impact craters. It has a very thin atmosphere. Voyager 2 was only able to observe approximately ...