18. How long do stars live? (A K2S Question)

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The length of a star's lifetime depends almost entirely on its mass. A star like the Sun will live for about 10 billion years. A star with five times the mass of the Sun will only last for about 70 million years.

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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