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It is estimated that the A Ring contains 7,000–8,000 propellers larger than 0.8 km in size and millions larger than 0.25 km. [4] In April 2014, NASA scientists reported the possible consolidation of a new moon within the A Ring, implying that Saturn's present moons may have formed in a similar process in the past when Saturn's ring system was ...
The rings would initially have been much more massive (≈1,000 times) and broader than at present; material in the outer portions of the rings would have coalesced into the innermost moons of Saturn (those closest to Saturn), out to Tethys, also explaining the lack of rocky material in the composition of most of these moons. [65]
The actual semi-major axis differs by 19 km, and the actual mass is 8.6 × 10 −12 of Saturn's. The moon was later found within 1° of the predicted position. The search was undertaken by considering all Voyager 2 images and using a computer calculation to predict whether the moon would be visible under sufficiently favorable conditions in ...
Saturn takes about 10.7 hours (no one knows precisely) to rotate once on its axis—a Saturn “day”—and 29 Earth years to orbit the sun. Saturn is a gas giant and does not have a solid ...
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 ...
The moon was named in 2006 after Daphnis, a shepherd, pipes player, and pastoral poet in Greek mythology; [8] he was descendant of the Titans, after whom the largest moons of Saturn are named. Both Daphnis and Pan, the only other known shepherd moon to orbit within Saturn's main rings, are named for mythological figures associated with shepherds.
In the astronomy of the Solar System, Chrysalis is a hypothetical moon of Saturn, named in 2022 by scientists of the Massachusetts Institute of Technology using data from the Cassini–Huygens mission. [1] The moon would have been torn apart by Saturn's tidal forces, somewhere between 200 and 100 million years ago. Up to 99% of the moon's mass ...
Enceladus is the sixth-largest moon of Saturn and the 18th-largest in the Solar System. It is about 500 kilometers (310 miles) in diameter, [5] about a tenth of that of Saturn's largest moon, Titan. It is mostly covered by fresh, clean ice, making it one of the most reflective bodies of the Solar System.