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More on constellations:




NOTE: One common mistake people make is to assume that all of the stars in constellations are related physically.  This isn't true, because there really isn't a physical Celestial Sphere- it's only a projection of a 3 dimensional universe.  In fact the stars in a constellation often are separated by huge distances, and the pattern will change over time!.  If you lived 106 years ago or were on a planet around a different star things would look totally different.

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