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.
In Titles: Do Capitalize. 1  Nouns (man, bus, book) 2  Adjectives (angry, lovely, small) 3  Verbs (run, eat, sleep) 4  Adverbs (slowly, quickly, quietly) 5  Pronouns (he, she, it) 6  Subordinating conjunctions (as, because, that)