16. Do stars move in space? Why do groups of stars in a constellation stay together? Why don't they drift apart? (A K2S Question)

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Stars definitely move through space. Over time the constellations do change but it takes a very long time, perhaps millions of years, for the changes to be visible to the eye.

Answer provided by Dirk Terrell, Ph.D.


Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer


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