The Solar System
| Mercury
| Venus
| Earth
| Mars
| Ceres
| Jupiter
Saturn
| Chiron
| Uranus
| Neptune
| Pluto
The Kuiper Belt and the Oort Cloud
| Quaoar
| Eris
| Sedna
Jupiter is the largest planet in the solar system . It is a giant ball of gas vapour, is the fifth planet and is about the 2,000th rock from the Sun , because of the asteroid belt between Mars and Jupiter.
So it's large - 1,300 times the size of Earth, to give it scale - but how massive is it? Well the mass [Not to be confused with weight - weight is the force of gravity acting on a mass. ] is only 318 times that of the Earth, so it does not appear to be made of the same material as Earth. This was a problem that puzzled astronomers until they worked out that it's made of gases, hydrogen and helium to be exact. Jupiter is still very massive, though - it has
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