He wondered if there were other worlds out there.

Meaning: He thought curiously about the possibility of other planets existing beyond Earth.

Choice of Words: Wonder means to think about something in a curious or thoughtful way. If introduces a clause expressing a condition or doubt. There refers to a place or a situation. Were is the past tense of the verb "be". Other means different or additional. Worlds are planets or celestial bodies other than Earth.

Alternative Expressions

Related Expressions

• He wondered if there was life on other planets.
• We wondered if there was life on other stars.
• She wondered if there were creatures living on them.
• I wondered if anyone lived there.
• They were always there for each other, through thick and thin.
• They were always there for each other.
• We were there for each other through thick and thin.
• The children wondered where the ball had gone.
• The boy wondered why the sky was blue.
• She wondered where it came from.