We are a ball of rock spinning around the sun in a galaxy that is also rotating and moving through space. How is it that we still see the same constellations as seafarers thousands of years ago considering all of this movement?
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The answer is a couple thousand years is not much on the scale of the motion of the stars. One orbit of the sun around the galaxy is 230 million years. Constellations will change in the long term, but not meaningfully in the timeframe of human civilization so far.
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