How big is the universe in AU?
1 Answer
Mar 23, 2018
According to one model by Einstein , he put it at
Explanation:
What is know as "Einstein's Forgotten Model of the Universe" is worth looking up.
In a 1931 paper he described a universe that expands after the Big Bang and then contracts-- called the Big Crunch.
Maybe an oscillating universe? Much like the Hindu cosmological cycle?
For details check out this paper: