An oscillating universe is a cosmological model suggesting that the universe undergoes a cycle of expansion and contraction, repeating this process indefinitely. In this view, after reaching a maximum size, the universe collapses back into a singularity, followed by a new Big Bang that starts the cycle anew. This concept connects to the long-term evolution of the universe by proposing that rather than having a single beginning and end, the universe experiences an eternal rhythm of birth, life, and rebirth.
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