On Wed, Jun 4, 2025 at 9:15 PM Alan Grayson <[email protected]> wrote:
*>>> But the question persists; when photons redden as the universe > expands, where does the lost energy go? AG* > > > *>> The energy doesn't go anywhere, it's just destroyed,* > > > *> I don't get it. How can energy be destroyed? Destroyed by what? AG * > *The short answer is energy is destroyed by the expansion of the universe because electromagnetic waves with long wavelengths have less energy than electromagnetic waves with short wavelengths. But there's something deeper going on.* *It's a logical necessity that 2+2 be equal to 4, but there is no such logical necessity that energy be conserved. And if the energy was preserved I could ask "preserved by what?". * *John K Clark See what's on my new list at Extropolis <https://groups.google.com/g/extropolis>* 303 > > -- 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 [email protected]. To view this discussion visit https://groups.google.com/d/msgid/everything-list/CAJPayv2e7usJxGthe8wdUG_PWOMUQ9N3oJQMnL8O4sjXLRmW_g%40mail.gmail.com.
