RE: Total stars in Universe is rougly equal to the total number (ever) of human cells.
May 17, 2018 at 1:55 pm
(May 17, 2018 at 10:36 am)Anomalocaris Wrote:(May 17, 2018 at 9:29 am)Jehanne Wrote: GC,
The total energy of the Universe is widely held to be zero, as if it came from nothing. Just Google it.
Dawn
It seems to have required no net energy input to start. But at a deeper level i don’t think it is clear if the information it would ever contain was present before the start.
There are models of eternal cosmology in The Physical Review Letters, Section E. Just take your pick.