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Saturn has 146 known moons, 63 of which have formal names. [ 12 ] [ 11 ] It is estimated that there are another 100 ± 30 outer irregular moons larger than 3 km (2 mi) in diameter. [ 98 ] In addition, there is evidence of dozens to hundreds of moonlets with diameters of 40–500 meters in Saturn's rings, [ 99 ] which are not considered to be ...
The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
1979 – Pioneer 11 flies by Saturn, providing the first ever closeup images of the planet and its rings. It discovers the planet's F ring and determines that its moon Titan has a thick atmosphere. [199] 1979 – Goldreich and Tremaine postulate that Saturn's F ring is maintained by shepherd moons, a prediction that would be confirmed by ...
Few missions have visited Saturn: Pioneer 11 and Voyagers 1 and 2 flew by, but Cassini orbited Saturn 294 times from 2004 to 2017. Saturn cannot support life as we know it, but some of its moons ...
Saturn doesn't have any easily visible landmarks to track, and its gassy atmosphere doesn't offer many hints as to how fast it's actually rotating. On top of that, its magnetic field also hides ...
Every 13-15 years, Saturn is angled in a way in which the edge of its thin rings are oriented toward Earth – effectively causing them to vanish. Saturn's rings will disappear from view of ground ...
Since then, increasingly distant planets have been reached, with probes landing on or impacting the surfaces of Venus in 1966 , Mars in 1971 (Mars 3, although a fully successful landing didn't occur until Viking 1 in 1976), the asteroid Eros in 2001 (NEAR Shoemaker), Saturn's moon Titan in 2004 , the comets Tempel 1 (Deep Impact) in 2005, and ...
Spacecraft could fly through large plumes spewing out of distant world – and catch evidence of alien biology We could find signs of life on another world on Saturn’s moon Enceladus, scientists say