Agreeable_Highway_26 t1_j2aaj2n wrote on December 30, 2022 at 7:57 PM Reply to comment by majorpickle01 in has the speed of light always been constant? by 2bornnot2b If it did change for E=mc^2 to hold AND conservation of energy to hold would there not need to be a large change in the amount of mass in the universe? Permalink Parent 3
Agreeable_Highway_26 t1_j2aaj2n wrote
Reply to comment by majorpickle01 in has the speed of light always been constant? by 2bornnot2b
If it did change for E=mc^2 to hold AND conservation of energy to hold would there not need to be a large change in the amount of mass in the universe?