Astronomers have recently deduced the age of the

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Astronomers have recently deduced the age of the oldest living star in the known universe, a metal-poor star that is a fossil formed in the early history of the universe and endured some 13.2 billion years.

1 endured
2 endures
3 enduring
4 it endured
5 is enduring
Source: — Sentence Correction |

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