How have planets been classified?

1.	How have planets been classified?
Answer» On the basis of their size, density and composition, planets have been classified into the following two types : 1. Inner planets – Mercury, Venus, Earth and Mars are inner planets. They are small in size, have greater density and they have been built out of rocks. 2. Outer planets – Jupiter, Saturn, Uranus and Neptune are outer planets. They are larger in size, have less density and have been built of gaseous or liquid substances.

Answer»

On the basis of their size, density and composition, planets have been classified into the following two types :

1. Inner planets – Mercury, Venus, Earth and Mars are inner planets. They are small in size, have greater density and they have been built out of rocks.

2. Outer planets – Jupiter, Saturn, Uranus and Neptune are outer planets. They are larger in size, have less density and have been built of gaseous or liquid substances.

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How have planets been classified?

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