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... FLAT. According to information from ESA and NASA the universe is essentially flat, with an error of < 0.5%.
... FLAT. According to information from ESA and NASA the universe is essentially flat, with an error of < 0.5%.
This sounds like: You are in a seemingly 3D world, but the third dimension is too small, compared to the other ones, so that you can "ignore it" on a large scale. Does feel strange...