uncommon questions - thermodynamics of the Hubble-expansion
21 Aug 2024Is there a difference between adiabatic and isentropic? Is the cooling of the CMB due to the Hubble expansion rather adiabatic or isentropic?
Is there a difference between adiabatic and isentropic? Is the cooling of the CMB due to the Hubble expansion rather adiabatic or isentropic?