On Fri, 4 Jan 2019 00:10:06 +0100, Thomas 'PointedEars' Lahn
wrote:

Indeed, the edge of the observable universe is simply defined by the distance
beyond which the expansion relative to our position is greater than c.

No, that is a (common?) misconception. You can already see that this cannot
be true if you apply Hubble’s Law and compare the result with your previous
statement:

You should probably not speak about that which you know nothing.