4 ms·
In addition to the cyclic model already posted about by noemit, there is "steady state theory": https://en.wikipedia.org/wiki/Steady_State_theory https://en.wi
by giardini 9y ago
In addition to the cyclic model already posted about by noemit, there is "steady state theory":
https://en.wikipedia.org/wiki/Steady_State_theory https://en.wikipedia.org/wiki/Steady_State_theory