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Il y a 4 jours · Uranus has more than two dozen moons (natural satellites), five of which are relatively large, and a system of narrow rings. Uranus has been visited by a spacecraft only once—by the U.S. Voyager 2 probe in 1986.
- Uranus was discovered on March 13, 1781, by the English astronomer William Herschel with the aid of a telescope. Uranus is the first planet to be d...
- The mean distance of Uranus from the Sun is nearly 2.9 billion km (1.8 billion miles), more than 19 times as far as Earth, and it never approaches...
- On average, Uranus radiates the same amount of energy as an ideal, perfectly absorbing surface at a temperature of 59.1 kelvins (K; −353 °F, −214 °...
- Uranus has 27 known moons that are accompanied by at least 10 narrow rings. Generally, the rings are located closer to the planet than the moons. S...
- Unlike most planets, the axis of Uranus lies almost parallel to its orbital plane, which means that the planet spins nearly on its side, its poles...
Il y a 5 jours · The James Webb Space Telescope (JWST) has captured captivating 4K images of Uranus and its moons. The images showcase the intricate details of the distant planet and its surrounding celestial bodies, highlighting the remarkable capabilities of JWST.
Il y a 3 jours · An updated image of the six largest moons and eight inner moons of Uranus as captured by the James Webb Space Telescope on 4 September 2023. Uranus, the seventh planet of the Solar System, has 28 confirmed moons.
Il y a 4 jours · Uranus - Gas Giant, Rings, Moons: At Uranus’s distance from the Sun, the planet takes slightly more than 84 Earth years, essentially an entire human life span, to complete one orbit. The eccentricity of its orbit is low—that is, its orbit deviates little from a perfect circle—and the inclination of the orbit to the ecliptic ...
Il y a 3 jours · Le passage d’Uranus en Taureau est traversé par deux séries de phases distinctes : Harmoniques:15/12/2019, 21/04/2024, 4/04/2025, 20/11/2025, 20/01/2026 ; Dissonantes : 17/01/, 17/02, 14/06, 24/12/2021. PROCESSUS EXPANSIONNISTE ET RÉCESSIF. Le principe expansionniste se retrouve dans la série des phases.
Il y a 4 jours · Uranus - Moons, Rings, Atmosphere: Uranus’s five largest moons range from about 240 to 800 km (150 to 500 miles) in radius. All were discovered telescopically from Earth, four of them before the 20th century (see below Observations from Earth).
Il y a 4 jours · This includes the Sun, Earth and the Moon, the major planets Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune, their satellites, as well as smaller bodies including comets, asteroids, and dust.
