News of the WeekAstrophysics

Are Most Life-Friendly Stars Older Than the Sun?

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Science  02 Jan 2004:
Vol. 303, Issue 5654, pp. 27
DOI: 10.1126/science.303.5654.27a

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Our solar system has lived in a hospitable part of the Milky Way for nearly 5 billion years. But most of the galaxy's other inhabited systems--if they exist--would have had even longer to nurture life, according to a study on page 59.