Stars’ spins reveal their ages

5 enero 2015

When you’re a kid every birthday is cause for celebration, but as you get older they become a little less exciting. You might not want to admit just how old you are. And you might notice yourself slowing down over the years. You’re not alone — the same is true of stars. They slow down as they age, and their ages are well-kept secrets. Astronomers are taking advantage of the first fact to tackle the second and tease out stellar ages.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/IOcSOKjY-SY/150105141651.htm

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