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Harvard-Smithsonian Center for Astrophysics

How to Learn a Star's True Age

23 May 2011, 14:35 UTC
How to Learn a Star's True Age

May 23, 2011: For many movie stars, their age is a well-kept secret. In space, the same is true of the actual stars. Like our Sun, most stars look almost the same for most of their lives.

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