According to the summary table, what is the simplified fate implied by a flat universe ($\Omega_0 = 1$)?

Answer

Expands forever, slowing asymptotically

In a flat universe, the density is precisely enough to prevent collapse but not so low as to guarantee perpetual, rapid expansion. The expansion continues indefinitely but slows down towards a limit over infinite time.

According to the summary table, what is the simplified fate implied by a flat universe ($\Omega_0 = 1$)?
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