/u/OldDew's posts in /r/askscience
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Isn't it possible that we don't see stars that are far away because they are shifted towards red so much that they get out of our visible specter?
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Isn't it weird that we exist much closer to the birth of the Universe than the death of it? How are we sure of the age of the Universe?
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Considering time as the 4th dimension, could we assume it would be constant and that only our perception of it varies, in the same way a cube's length would stay the same, being independent of the point it is being observed from?
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