ANALOGY. “It should be noted that the role of the universe scale factor a(t) is somewhat similar to the role of the center of mass coordinate, which describes the motion of some complicated macroscopic object. In classical mechanics, this motion is well-defined.”
https://www.mdpi.com/2218-1997/7/6/164/htm
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022