My WEIGH Triton T3R Rechargeable 500g x 0.01g Precision Pocket Scales

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Triton's orbit is associated with two tilts, the obliquity of Neptune's rotation to Neptune's orbit, 30°, and the inclination of Triton's orbit to Neptune's rotation, 157° (an inclination over 90° indicates retrograde motion). Triton's orbit precesses forward relative to Neptune's rotation with a period of about 678 Earth years (4.1 Neptunian years), [4] [5] making its Neptune-orbit-relative inclination vary between 127° and 173°. That inclination is currently 130°; Triton's orbit is now near its maximum departure from coplanarity with Neptune's.

Temperature correction, resonance self-shielding, and flux weighting to provide problem-dependent microscopic and macroscopic multigroup cross section data integrated with computational sequences, but also available for stand-alone analysis and 2D general purpose lattice physics depletion calculations and generation of few-group cross section data for use in nodal core simulators Polar cap, plains and ridges [ edit ] Triton's bright south polar cap above a region of cantaloupe terrain Two large cryolava lakes on Triton, seen west of Leviathan Patera. Combined, they are nearly the size of Kraken Mare on Titan. These features are unusually crater free, indicating they are young and were recently molten.

Triton has a tenuous nitrogen atmosphere, with trace amounts of carbon monoxide and small amounts of methane near its surface. [11] [42] [43] Like Pluto's atmosphere, the atmosphere of Triton is thought to have resulted from the evaporation of nitrogen from its surface. [27] Its surface temperature is at least 35.6K (−237.6°C) because Triton's nitrogen ice is in the warmer, hexagonal crystalline state, and the phase transition between hexagonal and cubic nitrogen ice occurs at that temperature. [44] An upper limit in the low 40s (K) can be set from vapor pressure equilibrium with nitrogen gas in Triton's atmosphere. [45] This is colder than Pluto's average equilibrium temperature of 44K (−229.2°C). Triton's surface atmospheric pressure is only about 1.4–1.9 Pa (0.014–0.019 mbar). [7] Clouds observed above Triton's limb by Voyager 2. One of the largest cryovolcanic features found on Triton is Leviathan Patera, [57] a caldera-like feature roughly 100km in diameter seen near the equator. Surrounding this caldera is a volcanic dome that stretches for roughly 2,000km along its longest axis, indicating that Leviathan is the second largest volcano in the solar system by area, after Alba Mons. This feature is also connected to two enormous cryolava lakes seen northwest of the caldera. Because the cryolava on Triton is believed to be primarily water ice with some ammonia, these lakes would qualify as stable bodies of surface liquid water while they were molten. This is the first place such bodies have been found apart from Earth, and Triton is the only icy body known to feature cryolava lakes, although similar cryomagmatic extrusions can be seen on Ariel, Ganymede, Charon, and Titan. [58] Simulated 2D and 3D analysis for light water reactor spent fuel assemblies (isotopic activation, depletion, and decay for light water reactor fuel assemblies) Eigenvalue Monte Carlo codes applied in many computational sequences for multigroup and continuous energy neutronics analysis

Due to constant erasure and modification by ongoing geological activity, impact craters on Triton's surface are relatively rare. A census of Triton's craters imaged by Voyager 2 found only 179 that were incontestably of impact origin, compared with 835 observed for Uranus's moon Miranda, which has only three percent of Triton's surface area. [70] The largest crater observed on Triton thought to have been created by an impact is a 27-kilometer-diameter (17mi) feature called Mazomba. [70] [71] Although larger craters have been observed, they are generally thought to be volcanic. [70] extended step characteristic transport with flexible geometry applied to neutronics analysis, especially within the TRITON sequences Main article: Atmosphere of Triton Artist's impression of Triton, showing its tenuous atmosphere just over the limb. Library used throughout SCALE that provides individual nuclides; elements with tabulated natural abundances; compounds, alloys, mixtures, and fissile solutions commonly encountered in engineering practiceRecent uncertainties in nuclear data for neutron interaction, fission product yields, and decay data for use in TSUNAMI tools and Sampler Recent nuclear decay data, neutron reaction cross sections, energy-dependent neutron-induced fission product yields, delayed gamma ray emission data, neutron emission data, and photon yield data Before the flyby of Voyager 2, astronomers suspected that Triton might have liquid nitrogen seas and a nitrogen/methane atmosphere with a density as much as 30% that of Earth. Like the famous overestimates of the atmospheric density of Mars, this proved incorrect. As with Mars, a denser atmosphere is postulated for its early history. [72] Triton's revolution around Neptune has become a nearly perfect circle with an eccentricity of almost zero. Viscoelastic damping from tides alone is not thought to be capable of circularizing Triton's orbit in the time since the origin of the system, and gas drag from a prograde debris disc is likely to have played a substantial role. [4] [5] Tidal interactions also cause Triton's orbit, which is already closer to Neptune than the Moon is to Earth, to gradually decay further; predictions are that 3.6billion years from now, Triton will pass within Neptune's Roche limit. [26] This will result in either a collision with Neptune's atmosphere or the breakup of Triton, forming a new ring system similar to that found around Saturn. [26] Capture [ edit ] The Kuiper belt (green), in the Solar System's outskirts, is where Triton is thought to have originated.