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Old 06-17-2018, 01:42 PM
EastUmpqua EastUmpqua is offline
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Planck's relation). This is the source of the alternative term relic radiation. The surface of last scattering refers to the set of points in space at the right distance from us so that we are now receiving photons originally emitted from those points at the time of photon decoupling.

Is our ‘surface of scattering’ necessarily representative of the entire universe?