Abstract: The nine planets of our solar system can be grouped into two distinct classes: (1) the terrestrial planets, which include Mercury, Venus, Earth and Mars; and (2) the major planets — Jupiter, Saturn, Uranus, Neptune and Pluto.
Publication Year: 1965
Publication Date: 1965-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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Cited By Count: 1
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