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Uranus' ring system was the second to be discovered in the Solar System, after that of Saturn. [9] In 1982, on the fifth anniversary of the rings' discovery, Uranus along with the eight other planets recognized at the time (i.e. including Pluto) aligned on the same side of the Sun. [10] [11]
The largest of Uranus's satellites, Titania, has a radius of only 788.9 km (490.2 mi), or less than half that of the Moon, but slightly more than Rhea, the second-largest satellite of Saturn, making Titania the eighth-largest moon in the Solar System. Uranus's satellites have relatively low albedos; ranging from 0.20 for Umbriel to 0.35 for ...
Where possible, the themes established in early solar system nomenclature should be used and expanded on. Solar system nomenclature should be international in its choice of names. Recommendations submitted to the IAU national committees will be considered, but final selection of the names is the responsibility of the International Astronomical ...
Voyager 2 is the only spacecraft that has flown near Uranus and Neptune on the edge of our solar system, which means that many mysteries remain about the ice giants. In recent years, researchers ...
Artist's depiction of Haumea's ring system. A ring around Haumea, a dwarf planet and resonant Kuiper belt member, was revealed by a stellar occultation observed on 21 January 2017. This makes it the first trans-Neptunian object found to have a ring system. [32] [33] The ring has a radius of about 2,287 km, a width of ≈ 70 km and an opacity of ...
As it turns out, rings around planets aren't all that rare, and at least a few of the planets in our solar system have them. Uranus is one of those worlds, and while its rings are so faint they ...
10199 Chariklo / ˈ k ær ə k l oʊ / is the largest confirmed centaur, a class of minor planet in the outer Solar System.It orbits the Sun between Saturn and Uranus, grazing the orbit of Uranus.
According to the IAU's explicit count, there are eight planets in the Solar System; four terrestrial planets (Mercury, Venus, Earth, and Mars) and four giant planets, which can be divided further into two gas giants (Jupiter and Saturn) and two ice giants (Uranus and Neptune). When excluding the Sun, the four giant planets account for more than ...