Jupiter Moon - Ganymede
Gavin M
Ganymede- Jupiter Moon
The three layers that make up Ganymede are iron, rock, and ice. Ganymede has a very thin atmosphere. Scientist got all their information about Jupiter's moons from the Hubble telescope. The dark spots on Ganymede are from the craters and the light spots are grooves on the surface. The diameter of Ganymede is 3,300 miles.
Ganymede is 4.5 billion years old, it's about the same age as Jupiter. Ganymede orbits at 650,000 mph. Also, it takes Ganymede about 7 earth days to orbit Jupiter. Ganymede's daytime temperature gets to -171 to -297 F. At night the temperature gets to a low of -315.4 F.
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Works Cited
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Digital Image
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