Cosmologists are not serious people. https://math.ucr.edu/home/baez/physics/Relativity/GR/energy_gr.html https://math.ucr.edu/home/baez/physics/Relativity/GR/e

Cosmologists are not serious people. https://math.ucr.edu/home/baez/physics/Relativity/GR/energy_gr.html https://math.ucr.edu/home/baez/physics/Relativity/GR/energy_... “Is Energy Conserved in General Relativity?” “In special cases, yes. In general, it depends on what you mean by "energy", and what you mean by "conserved".”