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Giovanni Domenico Cassini, discoverer of Iapetus. Iapetus was discovered by Giovanni Domenico Cassini, an Italian-born French astronomer, in October 1671.This is the first moon that Cassini discovered; the second moon of Saturn to be discovered after Christaan Huygens spotted Titan 16 years prior in 1655; and the sixth extraterrestrial moon to be discovered in human history.
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Pan is the innermost named moon of Saturn. [4] It is approximately 35 kilometres across and 23 km wide and orbits within the Encke Gap in Saturn's A Ring. Pan is a ring shepherd and is responsible for keeping the Encke Gap free of ring particles. It is sometimes described as having the appearance of a walnut, or raviolo. [5]
Most of the far side of the Moon was not seen until 1959, when photographs of most of the far side were transmitted from the Soviet spacecraft Luna 3. [20] When Earth is observed from the Moon, Earth does not appear to move across the sky. It remains in the same place while showing nearly all its surface as it rotates on its axis. [21]
Saturn’s moon Enceladus may have all the ingredients necessary to host life, according to a new study based on data from Nasa’s Cassini spacecraft mission.. The spacecraft ended its mission in ...
A deep ocean exists beneath the icy, cratered surface of Saturn’s moon Mimas, according to a new analysis of data from NASA’s Cassini mission.
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 would have been swallowed by Saturn, with the remaining 1% forming the rings of Saturn. [2] The origin of Saturn's rings from the destruction of a satellite has been previously proposed by other authors. [3]
Earth's moon is almost ten times larger. An underground ocean would make up about half of Mimas' volume, but it would only be equivalent to 1.2% to 1.4% of the liquid water oceans present on Earth.