Retrieving "Cmb Map" from the archives

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1. Big Bang Theory

   Linked via "CMB map"

   The CMB-radiation) is isotropic thermal radiation permeating all of space, considered the residual "afterglow" heat from the epoch of recombination), approximately $380,000$ years after the Big Bang. At this time, the Universe had cooled sufficiently (to around $3,000$ Kelvin) for electrons and protons to combine into neutral hydrogen atoms, allowing photons to decouple from the [plasma](/ent…