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Jupiter
Jupiter Short Facts
Jupiter Sign/Name
Jupiter Pictures
More Jupiter Pictures
Missions to Jupiter
   -  Pioneer 10
   -  Pioneer 11
   -  Voyager
   -  Galileo
   -  Ulysses
   -  Cassini
   -  Europa Orbiter
Jupiter Moons
   -  Metis
   -  Adrastea
   -  Amalthea
   -  Thebe
   -  Io
   -  Europa
   -  Ganymede
   -  Callisto
   -  Themisto
   -  Leda
   -  Himalia
   -  Lysithea
Jupiter Summary

Jupiter

Jupiter

Jupiter is the fifth planet from the Sun and is the largest one in the solar system. If Jupiter were hollow, more than one thousand Earths could fit inside. It also contains more matter than all of the other planets combined. It is 88,736 miles across the equator.

Jupiter possesses more than 65 satellites, four of which - Callisto, Europa, Ganymede and Io - were observed by Galileo as long ago as 1610. There is a ring system, but it is very faint and is totally invisible from the Earth. (The rings were discovered in 1979 by Voyager 1.)

The atmosphere is very deep, perhaps comprising the whole planet, and is somewhat like the Sun. It is composed mainly of hydrogen and helium, with small amounts of methane, ammonia, water vapor and other compounds.


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