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Galileo Regio is a large, dark surface feature on Jupiter's moon Ganymede. [1] It is a region of ancient dark material that has been broken apart by tectonism and is now surrounded by younger, brighter material (such as that of Uruk Sulcus) that has been upwelling from Ganymede's interior. It is thought to be some 4 billion years old and is ...
It was generally a term of affection and literally means "Ganymede" in Latin, but it was also used as a term of insult when directed toward a grown man. [2] The word derives from the proper noun Catamitus , the Latinized form of Ganymede, the name of the beautiful Trojan youth abducted by Zeus to be his companion and cupbearer, according to ...
The following other wikis use this file: Usage on ca.wikipedia.org Ganimedes (mitologia) Usage on cs.wikipedia.org Schwarzenberský palác (Schwarzenbergplatz)
Zeus pursues Ganymede on one side, while the youth runs away on the other side, rolling along a hoop while holding aloft a crowing cock. The Ganymede myth was depicted in recognizable contemporary terms, illustrated with common behavior of homoerotic courtship rituals, as on a vase by the "Achilles Painter" where Ganymede also flees with a cock.
The Ganymede Club is a 1995 science fiction novel by American writer Charles Sheffield. A mystery and a thriller, [1] the story unravels in the same universe that Sheffield imagined in Cold as Ice. [2] Shortly after humanity begins colonisation of the Solar System, a trade war sets off vicious civil war that kills billions. [3]
Ganymede was shown to possess a magnetic field and the spacecraft found new evidence for exospheres around Europa, Ganymede, and Callisto. Galileo also discovered that Jupiter's faint ring system consists of dust from impact events on the four small inner moons. The extent and structure of Jupiter's magnetosphere was also mapped.
In his 1805 book Celestial Mechanics, in addition to laying out his mathematical argument for the resonant orbits of Io, Europa, and Ganymede, Laplace was able to use perturbations on the orbit of Io by Europa and Ganymede to provide the first estimate of Io's mass, 1.73 × 10 −5 of the mass of Jupiter, which was one-quarter of the modern value.
The book describes Ganymede as having about 1 ⁄ 3 Earth gravity but in reality it is only about 1 ⁄ 7. Heinlein also postulated that the surface of Ganymede was volcanic rock like the Moon . Subsequent discoveries have shown that Ganymede's crust is actually almost 90 percent ice or frost, covering a subsurface ocean.