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Do astronomers know of or suspect any stars that were original members of the same star cluster as our Sun? | Astronomy.com

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Do astronomers know of or suspect any stars that were original members of the same star cluster as our Sun?

FROM THE February 2011 ISSUE

Do astronomers know of or suspect any stars that were original members of the same star cluster as our Sun?

Michael Amato, West Haven, Connecticut

Published: Monday, December 27, 2010

The Sun is a star with a diameter of approximately 864,000 miles (1,390,000 kilometers), about 109 times the diameter of Earth. The largest stars have a diameter about 1,000 times that of the Sun.

NASA/NSSDC

Only one star, HIP 21158 in Taurus, remains a candidate sibling; however, the evidence that this star was born in the same cluster as the Sun is weak.