Why is there no “Center” of the universe if there was a big bang?

Question

I mean if I drop a rock into a lake, its makes circles and the outermost circles are the oldest. Or if I blow something up, the furthest debris is the oldest.

In: Physics

Answer 1

The Big Bang isn’t exploding “outwards”, it spreads at each point in all directions. This is pretty much why we have no center.