How the balloon analogy for an expanding universe is almost

If space-time is expanding, then why does gravity seem to pull things together? Physics can be weird, says Chanda Prescod-Weinstein

What does it mean when we say that space-time is expanding?

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Our universe is like an expanding balloon. Does blowing air into the balloon create the time of the balloon universe? Is the surface of the balloon our three-dimensional universe, if we consider

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Chanda Prescod-Weinstein

Chanda Prescod-Weinstein

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