One of the sun’s long lost siblings could be just 110 light-years away.
Astronomers have identified a star that might have formed in the same nebula as the sun and at the same time. The star, HD 162826, is in the constellation Hercules and is a bit warmer, brighter and more massive than the sun. Its discovery is part of an experiment to learn how to identify solar siblings efficiently. The experiment’s method could help researchers figure out where the solar system was born.