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Uranus is the seventh planet ... weighing about 0.5 Earth masses and extending for the last 20% of Uranus's ... Major moons of Uranus in order of increasing ...
The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
Uranus is the third-largest and fourth most massive planet in the Solar System. It orbits the Sun at a distance of about 2.8 billion kilometers (1.7 billion miles) and completes one orbit every 84 years. The length of a day on Uranus as measured by Voyager 2 is 17 hours and 14 minutes. Uranus is distinguished by the fact that it is tipped on ...
Illustrations depict how Uranus' magnetosphere, or protective bubble, was behaving before Voyager 2's arrival (left) and during the spacecraft's flyby (right).
It has been nearly 40 years since Voyager 2 last flew past the icy world and its moons. Nasa has plans to launch a new mission, the Uranus Orbiter and Probe, to go back for a closer look in 10 ...
But long before that, Voyager 2 stopped by Uranus, coming within 50,600 miles of Uranus' cloudtops. While encountering the planet on Jan. 24, 1986, ...
Uranus was the last giant planet without any known irregular moons until 1997, when astronomers using ground-based telescopes discovered Sycorax and Caliban. From 1999 to 2003, astronomers continued searching for irregular moons of Uranus using more powerful ground-based telescopes, resulting in the discovery of seven more Uranian irregular ...
Such a fate awaits the moons Phobos of Mars (within 30 to 50 million years), [111] Triton of Neptune (in 3.6 billion years), [112] and at least 16 small satellites of Uranus and Neptune. Uranus's Desdemona may even collide with one of its neighboring moons. [113] A third possibility is where the primary and moon are tidally locked to each other ...