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Ask an Astrophysicist

The Question

(Submitted February 22, 2012)

How long is the longest and shortest length of life for red dwarf stars?

The Answer

Thanks for your question. Red dwarf stars have lifetimes exceeding the present age of the Universe, burning for about 100 billion years (for red dwarf stars with about 1/4 of the mass of the Sun) to 10 trillion years (stars with 1/10 of the mass of the Sun).

Hope that answers your question!

-Antara & Bret
for "Ask an Astrophysicist"

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