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Saturn is a gas giant, ... Pioneer 11 made the first flyby of Saturn in September 1979, when it passed within 20,000 km (12,000 mi) of the planet's cloud tops. Images ...
A gas giant is a giant planet composed mainly of hydrogen and helium. [1] Jupiter and Saturn are the gas giants of the Solar System.The term "gas giant" was originally synonymous with "giant planet".
Jupiter and Saturn are principally made of hydrogen and helium, whilst Uranus and Neptune consist of water, ammonia, and methane. The defining differences between a very low-mass brown dwarf and a massive gas giant (~13 M J) are debated. One school of thought is based on planetary formation; the other, on the physics of the interior of planets.
It is a gas giant with an average radius about nine times that of Earth. [1] [2] Although only one-eighth the average density of Earth, with its larger volume Saturn is just over 95 times more massive. [3] [4] Saturn is named after the Roman god of agriculture; its astronomical symbol (♄) represents the god's sickle.
Beneath Titan’s thick crust, made of ice, is an internal ocean of salty water not unlike other intriguing ocean world moons orbiting Saturn such as Enceladus, or Jupiter’s moon Europa ...
Saturn’s rings are seen as viewed by NASA’s Cassini spacecraft, which obtained the images that comprise this mosaic at a distance of approximately 450,000 miles from Saturn April 25, 2007.
The hexagon may be a bit more than 29,000 km (18,000 mi) wide, [9] may be 300 km (190 mi) high, and may be a jet stream made of atmospheric gases moving at 320 km/h (200 mph). [ 4 ] [ 5 ] [ 10 ] It rotates with a period of 10h 39m 24s , the same period as Saturn's radio emissions from its interior. [ 11 ]
Saturn's rings might have formed 100 million years ago when one of its icy moons was ripped apart by the planet's gravity. Skip to main content. 24/7 Help. For premium support please call: ...