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3 September, 16:40

Why do the positions of stars change in the universe?

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  1. 3 September, 16:56
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    If stars never changed, then constellations wouldn't change. But the stars, including the Sun, travel in their own separate orbits through the Milky Way galaxy. The stars move along with fantastic speeds, but they are so far away that it takes a long time for their motion to be visible to us.
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