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Moons



Jupiter has many moons, but the four largest and known ones are Io,

Ganymede, Callisto, and Europa. They were found by the famous scientist,

Galileo Galilei. As you read this section you’ll learn a little bit about those four moons.




Io

Io the third biggest moon and the closest moon to Jupiter. It is known

for it’s volcanic body, with lava lakes and bunch of calderas on it’s

surface. It has mountains that are bigger then the ones in Earth. Io orbits

around Jupiter closer then the moon traveling around Earth. Io has a thin atmosphere

made out of sulfur dioxide and some other gases. Io doesn’t have any of little water.





Callisto

Callisto the second biggest moon and the third in the solar system.

It's is about the same size as mercury. It orbits around Jupiter's main

radiation belt. It also contains impact craters and associated concentric

rings. Callisto's surface is covered with craters. Callisto has the oldest, most hallowed

surface of any body in the solar system. Callisto has a very weak atmosphere made out

of carbon dioxide, and has very little tectonic activity.









Ganymede

Jupiter’s largest moon, and can be it’s own planet if it orbit around

the sun instead. Genymede has no atmosphere but ozone had been

detected on its surface. Ganymede has mountains, valleys, lava flows,

and craters. Ganymede's surface is a about equal mix of two types of landscape: very old,

hollowed dark regions and younger lighter regions marked with an

big set of grooves and ridges. Their origin is a tectonic nature.


Europa

The fourth largest moon that orbits around Jupiter. Europa most likely have or had

life because there might be water in its crust. It has a thin ice outer layer on the surface,

and is amazingly smooth too. Europa's most striking feature is a series of dark streaks

crisscrossing the entire sphere. They are produced by a series of volcanic eruptions or

geysers.





Loki_Shimigami
Community Member
Loki_Shimigami
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