Astronomy/Star's Lifecycle

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Question
How long is a star's life?

Answer
Hi Russell

It all depends on the star's mass.  Smaller stars evolve quite differently from much larger ones.  Here is a link to a good explanation:

http://imagine.gsfc.nasa.gov/docs/teachers/lessons/xray_spectra/background-lifec

Hope that helps!

Paul Wagner

Astronomy

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Paul Wagner

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Astronomy and telescope making. Have made at least seven telescopes, both refractors and reflectors, and have spent 30 years looking at the nighttime sky.

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