A LITTLE LATER. “The Universe becomes neutral and photons stop scattering and subsequently free-stream through the Universe. This process is known as decoupling and occurs at t ∼ 0.37Myr. The resulting Cosmic Microwave Background has a black body spectrum with present day temperature.”
https://lnkd.in/e6ifiQMn
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022