Is the universe infinite? And if it isn't, what is outside it? Are there lots of

Is the universe infinite? And if it isn't, what is outside it? Are there lots of

Is the universe infinite? And if it isn't, what is outside it? Are there lots of universes, or is it all just fractals? And what about other dimensions? Is it possible that time and laws of physics work differently in other universes? Helen from Worcester, age 12

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