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Originally Posted by Battybat Surely, billions of years later, that radiation, travelling at the speed of light, must have scattered to the four corners of infinity and no longer exist, near Earth at any rate. |
another misconception is that BB has no detectable center. The CMB photons come from every possible directions and another mystery is the homogeneity and isotropy of the universe.
In order to surmount the flatness problem, cosmologists, like Alan Guth, came up with inflationary BB to replace the standard BB.