They remind us of our place in the universe.
Meaning: This sentence suggests that observing nebulae can provide a sense of perspective, reminding us of our smallness in comparison to the vastness of the universe.
Choice of Words: They refers to nebulae, remind means to cause someone to remember something, us refers to human beings, place refers to a position or location, and universe refers to the entire cosmos, including everything that exists.
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Related Expressions