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The latter include the D Ring, extending inward to Saturn's cloud tops, the G and E Rings and others beyond the main ring system. These diffuse rings are characterised as "dusty" because of the small size of their particles (often about a μm); their chemical composition is, like the main rings, almost entirely water ice. The narrow F Ring ...
An artist's impression of Rhea's rings. The density of the particles is exaggerated greatly to aid visibility. [1] Rhea, the second-largest moon of Saturn, may have a tenuous ring system consisting of three narrow, relatively dense bands within a particulate disk. This would be the first discovery of rings around a moon.
Fainter planetary rings can form as a result of meteoroid impacts with moons orbiting around the planet or, in the case of Saturn's E-ring, the ejecta of cryovolcanic material. [6] [7] Ring systems may form around centaurs when they are tidally disrupted in a close encounter (within 0.4 to 0.8 times the Roche limit) with a giant
Saturn’s autumnal equinox is expected to occur on May 6, 2025. Spying Saturn’s spokes The NASA Voyager 2 spacecraft captured the first evidence of the spokes in the 1980s.
NASA’s James Webb Space Telescope has captured its first near-infrared observation of Saturn, highlighting details in the planet’s atmosphere and rings. Saturn’s rings shine in new Webb ...
Saturn is bright enough to see with the naked eye, but using a medium-sized telescope will reveal its famous rings. October will feature the first of three consecutive supermoons, appearing ...
Information reported from the fall meeting of the American Geophysical Union indicates that two new measures from Cassini —- the light mass of the rings and an abundance micrometeorite soot coming into the saturnian system —- have made it clear that the rings must be young. (See "Saturn's rings are solar system newcomers" by Paul Voosen ...
Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature could explain a climate shift at the time.