4 ms·
In the context of the Big Bang theory, the 'edge' is at the distance away from us at which seeing any light from that distance would have to mean that light sta
by quantadev 2y ago
In the context of the Big Bang theory, the 'edge' is at the distance away from us at which seeing any light from that distance would have to mean that light started traveling "before" the big bang, which is considered impossible, due to constant speed of light and hubble expansion.