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The scheme of Uranus's ring-moon system. Solid lines denote rings; dashed lines denote orbits of moons. As currently understood, the ring system of Uranus comprises thirteen distinct rings. In order of increasing distance from the planet they are: 1986U2R/ζ, 6, 5, 4, α, β, η, γ, δ, λ, ε, ν, μ rings.
Uranus - Rings, Moons, Atmosphere: The rings of Uranus were the first to be found around a planet other than Saturn. The American astronomer James L. Elliot and colleagues discovered the ring system from Earth in 1977, nine years before the Voyager 2 encounter, during a stellar occultation by Uranus—i.e., when the planet passed between a star ...
Dec 18, 2023 · See stunning images of Uranus' dim inner and outer rings, seasonal polar cap, and 27 moons from NASA's James Webb Space Telescope. Learn how Webb reveals the planet's unique features and helps us understand its atmosphere and exoplanets.
Apr 6, 2023 · The James Webb Space Telescope reveals the planet Uranus' blue hue, polar cap, clouds, and 13 rings in infrared wavelengths. See the zoomed-in and wide-view images of the ice giant and its moons, and learn more about its unique features and seasons.
Apr 10, 2023 · The high-tech observatory has taken a stunning image of Uranus that showcases 11 of the planet’s 13 rings, which are made of rocks and dust that don’t reflect much sunlight. The image also reveals two storm clouds, a polar cap, six moons and distant galaxies in the background.
- Will Sullivan
Jun 19, 1999 · See the Voyager 2 image of the Uranian rings, which have a broad outer component and a narrow inner component. Learn about the resolution, the orbits and the transparency of the rings.
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. Some small moons orbit just outside the rings, while the largest moons orbit beyond the small moons, and other small moons orbit much farther out.
