A gas giant is a large planet composed mostly of gases, such as hydrogen and helium, with a relatively small rocky core. The gas giants of our solar system are Jupiter, Saturn, Uranus and Neptune.
The pronoun 'himself' is a reflexive pronoun, a word that  takes the place of a singular noun for a male, used to 'reflect'  back to its antecedent.   Example: Dad got uâ¦p and made himself some breakfast.    The pronoun 'himself' is also an intensive pronoun, used to  emphasize its antecedent.
A noun is a word for a person, a place, or a thing. A pronoun is a word that takes the place of a noun in a sentence. A noun or a pronoun functions as the subject of a sentence or a clause, and as the object of a verb or a preposition. Noun as subject of the sentence: Aunt Jane made cookies for Jack and Jill.