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Phoebe was the first such satellite found and it took more than a year to orbit Saturn in a retrograde orbit. During the early 20th century, research on Titan led to the confirmation in 1944 that it had a thick atmosphere—a feature unique among the Solar System's moons. [157]
Saturn III Saturn I (1686–1789) Cassini [15] Together with his previous two discoveries, Cassini named these satellites Sidera Lodoicea. In his work Kosmotheôros [16] (published posthumously in 1698), Christiaan Huygens relates "Jupiter you see has his four, and Saturn his five Moons about him, all plac’d in their Orbits." Dione: Saturn IV
Voyager 2 found that at the highest levels (7 kilopascals pressure) Saturn's temperature was 70 K (−203 °C) (i.e. 70 degrees above absolute zero), while at the deepest levels measured (120 kilopascals) the temperature increased to 143 K (−130 °C). The north pole was found to be 10 K cooler, although this may be seasonal. Unfortunately ...
Earth orbiter; discovered Van Allen radiation belts [5] Vanguard 1: 17 March 1958 ... Jupiter flyby and First Saturn flyby [74] [203] [204] Explorer 49 (RAE-B)
First extended (multi-year) orbital exploration of Venus (from 1978 to 1992). USA (NASA) Pioneer Venus Orbiter: 5 March 1979: Jupiter flyby (closest approach 349,000 km) Encounters with five Jovian moons. Discovery of volcanism on Io. USA (NASA) Voyager 1: 1 September 1979: First flyby of Saturn. First photograph of Titan from deep space. USA ...
The new discovery increases the moons orbiting the "jewel of our solar system" to 82, surpassing Jupiter
But the Cassini spacecraft, which spent years probing the planet, found that the rings could disappear even faster. Measuring ring-material detected by Cassini falling into Saturn’s equator ...
A large asteroid broken apart by Earth's gravitational pull could have formed a Saturn-like ring around the planet about 466 million years ago, a new study found.