In what ways is the surface of the balloon a good analogy for the universe? In what ways is this analogy limited?

Question

In what ways is the surface of the balloon a good analogy for the universe? In what ways is this analogy limited?

Explain why a miniature scientist living in a polka dot on the balloon would observe all other dots to be moving away with more distant dots moving away faster.

The surface of a balloon provides a good analogy for the universe. The
universe is expanding continuously. A balloon can also expand on blowing air into it.
As the universe expands the planets keep…
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