Flatness problem
= Flatness problem
{wiki}
In a decelerating expanding universe, $|\Omega-1|$ grows, so its small present value requires extremely fine-tuned early initial data unless an earlier mechanism drives $\Omega$ toward one.
= Flatness problem
{wiki}
In a decelerating expanding universe, $|\Omega-1|$ grows, so its small present value requires extremely fine-tuned early initial data unless an earlier mechanism drives $\Omega$ toward one.