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Uranus    音标拼音: [j'urənəs] [j'ɚənəs]
n. 天王星

天王星

Uranus
n 1: (Greek mythology) god of the heavens; son and husband of
Gaea and father of the Titans in ancient mythology [synonym:
{Ouranos}, {Uranus}]
2: a giant planet with a ring of ice particles; the 7th planet
from the sun has a blue-green color and many satellites;
"Uranus was discovered by William Herschel in 1781"

Uranus \U"ra*nus\ (-n[u^]s), n. [L. Uranus, Gr. O'yrano`s
Uranus, o'yrano`s heaven, sky. Cf. {Uranium}.]
[1913 Webster]
1. (Gr. Myth.) The son or husband of Gaia (Earth), and father
of Chronos (Time) and the Titans.
[1913 Webster]

2. (Astron.) One of the primary planets. It is about
1,800,000,000 miles from the sun, about 36,000 miles in
diameter, and its period of revolution round the sun is
nearly 84 of our years.
[1913 Webster]

Note: This planet has also been called {Herschel}, from Sir
William Herschel, who discovered it in 1781, and who
named it {Georgium Sidus}, in honor of George III.,
then King of England.
[1913 Webster]


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  • Uranus - Wikipedia
    Uranus is the seventh planet from the Sun It is a gaseous cyan -coloured ice giant Most of the planet is made of water, ammonia, and methane in a supercritical phase of matter, which astronomers call "ice" or "volatiles"
  • Uranus: Facts - NASA Science
    Uranus is one of two ice giants in the outer solar system (the other is Neptune) Most (80% or more) of the planet's mass is made up of a hot dense fluid of "icy" materials – water, methane, and ammonia – above a small rocky core
  • Uranus - Science@NASA
    Uranus is the seventh planet from the Sun, and the third largest planet in our solar system – about four times wider than Earth Uranus is very cold and windy It is surrounded by faint rings, and more than two dozen small moons It rotates at a nearly 90-degree angle from the plane of its orbit
  • Uranus | Facts, Moons, Rings | Britannica
    Uranus, seventh planet in distance from the Sun and the least massive of the solar system’s four giant, or Jovian, planets Uranus has more than two dozen moons, five of which (Umbriel, Miranda, Ariel, Titania, and Oberon) are relatively large, and a system of narrow rings
  • Uranus (mythology) - Wikipedia
    Uranus was scarcely regarded as anthropomorphic, aside from the genitalia in the castration myth He was simply the sky, which was conceived by the ancients as an overarching dome or roof of bronze, held in place (or turned on an axis) by the Titan Atlas
  • Uranus (planète) — Wikipédia
    Uranus est la septième planète du Système solaire par ordre d'éloignement du Soleil Elle orbite autour de celui-ci à une distance d'environ 19,2 unités astronomiques (2,87 milliards de kilomètres), avec une période de révolution de 84,05 années terrestres
  • What Is Uranus Made Of? Composition, Rotation and Age
    Uranus is an ice giant with a mean radius about four times Earth’s and an orbital period of about 84 Earth years Uranus practically rolls around the Sun on its side Its rotation axis is tilted by almost 98°, giving it some of the most extreme seasons in the Solar System
  • Uranus - WorldAtlas
    Uranus is the seventh furthest planet from the sun, averaging over 1 8 billion miles (2 9 billion kilometers) away from the sun It takes Uranus 84 years to orbit the sun and 17 hours to rotate about its axis
  • Uranus Facts - Interesting Facts about Planet Uranus
    Uranus makes one trip around the Sun every 84 Earth years During some parts of its orbit one or the other of its poles point directly at the Sun and get about 42 years of direct sunlight The rest of the time they are in darkness Uranus is often referred to as an “ice giant” planet
  • Uranus (Planet) – Wikipedia
    Uranus ist wie alle Riesenplaneten im Sonnensystem von einer Menge sehr kleiner Körper und Teilchen umgeben, die den Planeten in Richtung seiner Rotation umrunden und mit ihren verschieden dicht belegten Umlaufbahnen ein System konzentrischer Ringe bilden





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