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What is the universe expanding into if it’s already infinite?

By Nicole Granucci, Instructor of Physics, Quinnipiac University

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

What is the universe expanding into if it’s already infinite? – Mael, age 10, Missoula, Montana

When you bake a loaf of bread or a batch of muffins, you put the dough into a pan. As the dough bakes in…

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