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Naiad, the closest regular moon, is also the second smallest among the inner moons (following the discovery of Hippocamp), whereas Proteus is the largest regular moon and the second largest moon of Neptune. The first five moons orbit much faster than Neptune's rotation itself ranging from 7 hours for Naiad and Thalassa, to 13 hours for Larissa.
Triton dominates the Neptunian moon system, with over 99.5% of its total mass. This imbalance may reflect the elimination of many of Neptune's original satellites following Triton's capture. [4][5] Triton (lower left) compared to the Moon (upper left) and Earth (right), to scale. Triton is the seventh-largest moon and sixteenth-largest object ...
An annotated picture of Neptune's many moons as captured by the James Webb Space Telescope. The bright blue diffraction star is Triton, Neptune's largest moon. Neptune has 16 known moons. [159] Triton is the largest Neptunian moon, accounting for more than 99.5% of the mass in orbit around Neptune, [i] and is the only one massive enough to be ...
Triton, the largest moon of Neptune, is an interloper.Planetary scientists believe the moon originated far from its parent planet, in the distant Kuiper Belt, and was later sucked into Neptune’s ...
Comments from Today’s Crossword Constructor. Geoffrey: Hope you had a freakin' great time solving this one! What I Learned from Today’s Puzzle. TATUM (23A: NBA All-Star Jayson) Jayson TATUM is ...
Nereid, or Neptune II, is the third-largest moon of Neptune. It has the most eccentric orbit of all known moons in the Solar System . [ 4 ] It was the second moon of Neptune to be discovered, by Gerard Kuiper in 1949.
Leviathan Patera. Leviathan Patera is a major cryovolcanic caldera on Neptune 's largest moon Triton. [3] Discovered by the Voyager 2 spacecraft in 1989, Leviathan Patera is located in Monad Regio and within Cipango Planum's western regions. Leviathan Patera is approximately 80 kilometers in diameter and may be the center of one of the largest ...
19.7 [ 10 ] Proteus (/ ˈproʊtiəs / PROH-tee-əs), also known as Neptune VIII, is the second-largest Neptunian moon, and Neptune's largest inner satellite. Discovered by Voyager 2 in 1989, it is named after Proteus, the shape-changing sea god of Greek mythology. [ 11 ] Proteus orbits Neptune in a nearly equatorial orbit at a distance of about ...