1 Mars â Sometimes called the red planet and the brother of Earth. 2  Mars is the closest planet to the Earth. 3  Jupiter â The largest planet in the Solar System. 4  Saturn â Sixth planet from the Sun.
1 When talking about a general direction, the word is often not capitalised, example: the north side of the house. 2  Place names are capitalised: East Sussex, West Virginia, South Africa.  In other cases, adjectives and nouns normally begin with small letters: Go south for three miles, then go east for another three miles.
CAPITALIZE: 1  All proper nouns, months, days of the week, holidays.; 2  Names of sections of the country, but not directions (the Midwest; the Maritimes; he walked west); 3  Short titles when they precede the name of adults (Principal Joe Johnson); 4  Full names of schools, clubs, organizations, streets, geographical areas, or companies.