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The Question
(Submitted November 10, 1997)
How long do stars live? I am 7 years old.
The Answer
Stars live different lengths of time, depending on how big they are. A
star like our Sun lives for about 10 billion years, while a star which
weighs twenty times as much lives only 10 million years, about a thousandth as
long.
David Palmer
for Ask a High-Energy Astronomer
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