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First: Two different concepts of point and direction are used in the question. One concept is "point of big bang" and "direction of (wrt) bing bang", second is "point of observer" and "direction of (wrt) observer". The (assumed) initial nig bang point is (wrt to the observer) not a point now, it is a whole volume/surface, so a volume/surface has many ...


A dense object like a planet, star, or black hole would blur the image of the universe. what we see, instead, is a very smooth and homogenous image. I guess this would still leave open the prospect of some sort of diffuse object of sufficient mass to bend all the light coming into us, but there are reasons to believe that no object with a mass this large ...

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