Eli5 Why is said that the universe has no center or that any point in it is the center?
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The idea that the universe has no center, or that any point in it can be considered the center, is based on the concept of the “cosmological principle.” This principle states that the universe is homogeneous and isotropic, meaning that it looks the same in all directions and at all points in space. In other words, there is no “special” or “privileged” point in the universe that can be considered the center. This is supported by observations of the universe, which show that the properties of distant galaxies are consistent with the idea that the universe is homogeneous and isotropic. Therefore, it is generally accepted that the universe has no center, and that any point in it can be considered the center.
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