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NEPTUNE is an acronym for North-East Pacific Time-series Undersea Networked Experiments. The North-East Pacific is home to the Juan de Fuca plate —smallest of Earth's 12 tectonic plates . Its small size and close proximity to the coast gives NEPTUNE Canada a unique opportunity to observe tectonic processes.
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 but well-structured atmosphere. Triton orbits Neptune in a retrograde orbit —an orbit in the direction opposite to its planet's rotation—the only large moon in the Solar System to ...
Discovery of Neptune. New Berlin Observatory at Linden Street, where Neptune was discovered observationally. Neptune as imaged by the Voyager 2 probe in 1989. The planet Neptune was mathematically predicted before it was directly observed. With a prediction by Urbain Le Verrier, telescopic observations confirming the existence of a major planet ...
The eight planets of the Solar System with size to scale (up to down, left to right): Saturn, Jupiter, Uranus, Neptune (outer planets), Earth, Venus, Mars, and Mercury (inner planets) A planet is a large, rounded astronomical body that is neither a star nor its remnant. The best available theory of planet formation is the nebular hypothesis ...
Relative masses of the Solar planets. Jupiter at 71% of the total and Saturn at 21% dominate the system. Relative masses of the solid bodies of the Solar System. Earth at 48% and Venus at 39% dominate. Bodies less massive than Pluto are not visible at this scale. Relative masses of the rounded moons of the Solar System.
The planet Neptune has 16 known moons, which are named for minor water deities and a water creature in Greek mythology. By far the largest of them is Triton, discovered by William Lassell on October 10, 1846, 17 days after the discovery of Neptune itself. Over a century passed before the discovery of the second natural satellite, Nereid, in ...
The rings of Neptune are made of extremely dark material, likely organic compounds processed by radiation, similar to those found in the rings of Uranus. [5] The proportion of dust in the rings (between 20% and 70%) is high, [5] while their optical depth is low to moderate, at less than 0.1. [6] Uniquely, the Adams ring includes five distinct ...
The nature and origins of sub-Neptune size planets, Jacob L. Bean, Sean N. Raymond, James E. Owen, 22 Oct 2020 References [ edit ] ^ Detection and characterization of an ultra-dense sub-Neptune planet orbiting the Sun-like star HD 119130 , R. Luque et al, 21 Dec 2018