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Ganymede's magnetic field is probably created by convection within its core, and influenced by tidal forces from Jupiter's far greater magnetic field. [23] Ganymede has a thin oxygen atmosphere that includes O, O 2, and possibly O 3 . [17] Atomic hydrogen is a minor atmospheric constituent.
The largest, Ganymede, is the largest moon in the Solar System and surpasses the planet Mercury in size (though not mass). Callisto is only slightly smaller than Mercury in size; the smaller ones, Io and Europa, are about the size of the Moon. The three inner moons — Io, Europa, and Ganymede — are in a 4:2:1 orbital resonance with
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.
"Ganymed" is a poem by Johann Wolfgang von Goethe, in which the character of the mythic youth Ganymede is seduced by God (or Zeus) through the beauty of Spring. In early editions of the Collected Works it appeared in Volume II of Goethe's poems in a section of Vermischte Gedichte (assorted poems), shortly following the " Gesang der Geister ...
"As we look ahead into February and March, there is always the potential we could have another cold snap as cold as this one, but it's hard to say," Patterson said. "Winter in Wisconsin, it's not ...
Housewives Jill Zarin and Tamra Judge have opened up about going under the knife for facelifts, while Teresa Giudice shared a behind-the-scenes TikTok video that showed her getting her lip fillers ...
In the Solar System it is the third-largest moon after Ganymede and Saturn's largest moon Titan, and nearly as large as the smallest planet Mercury. Callisto is, with a diameter of 4,821 km , roughly a third larger than Earth's Moon and orbits Jupiter on average at a distance of 1,883,000 km , which is about five times further out than the Moon ...
"In cold water, far more people die in a short period of time, not because of hypothermia -- they die because they drown, either because the first thing that happens in cold water, especially if ...