If we calculate Birth of Time then T= 0 or T ≠ 0.
If Big Bang cause time then should we consider Big Bang time T = 0.
But in real life we do have numbers beyond 0. Example : -1 , -2, -3 ...-1000 & so on.
We represent space-time with numbers which are infinite on both side before 0 & after...
Universe is expanding but is it due to drop in gravitational forces all over in the universe ?
Gravitational force holds all the objects together in the universe ...?
Universe is expanding means one object is moving away from another, Is this due to drop in Gravitational force ? If Yes...
Our Universe is 13.5 Billion Years old approximately. Till now Hubble telescope has discovered galaxy at 13.2 billion light-years ago. Is it possible for James Webb Telescope to discover object or galaxy prior to 13.5 Billion Years old?