Meaning: Children imagine themselves traveling to space.
Choice of Words: Dream means to imagine something that you want to happen. Space travel is traveling to other planets or stars.
Alternative Expressions
Kids imagine journeys to the stars.
Meaning: This sentence has a similar meaning to the first sentence, but it uses different words to describe the same idea.
Choice of Words: The word "kids" is another word for children. "Imagine" means to create a picture in your mind of something that is not real. "Journeys" refers to trips or travels. "The stars" refers to the bright objects in the night sky.
Young ones envision adventures beyond our planet.
Meaning: This sentence uses more sophisticated language to convey the same idea as the first two sentences.
Choice of Words: The phrase "young ones" also refers to children. "Envision" means to imagine something very clearly. "Adventures" refers to exciting or unusual experiences. "Beyond our planet" means outside of Earth.