On Sun, Mar 9, 2025 at 10:39 AM Alan Grayson <agrayson2...@gmail.com> wrote:
What value for CC would he have needed to predict an expanding universe? > Was this the value he originally set CC to? *The Cosmological Constant is the energy density of empty space, when Einstein first published the General Theory Of Relativity in 1915 he assumed that the CC was zero because he knew that if it was anything other than zero the universe would have to be either expanding or contracting (it would have to be expanding if you take the second law of thermodynamics into consideration) and all his astronomer friends told him that the universe with static, so he changed his field equations to make it non zero even though he thought it made his equation less beautiful. This turned out to be, in Einstein's own words, his "greatest blunder" because it wouldn't have made the universe stable, only metastable, and more importantly the 1915 astronomers were wrong, the universe is NOT static. Einstein had everything he needed to predict an expanding universe 10 years before Edwin Hubble discovered that fact with his telescope, but he trusted astronomers more than he trusted his equation. * * John K Clark See what's on my new list at Extropolis <https://groups.google.com/g/extropolis>* *3sp* -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/everything-list/CAJPayv3%2BL_c2s8Q3G%3D525_-KJHhPe3ZhiUZh%2BkJgW%3Dtffp0dvQ%40mail.gmail.com.