Science
A study on the Sun’s missing twin has major implications for Planet 9 – Inverse
A new study suggests that the Sun was part of a binary system, and its companion was kicked out of the solar system billions of years ago.
Before astronomers first pointed their telescopes at the Sun in the early 17th century, the star had already existed for around 4.5 billion years. We’ve only ever seen a brief glimpse of our Sun’s long and extensive lifecycle.
According to a new study, we missed a spectacular view: Long ago, the Sun varied in brightness and activity. It may have also had a twin.
The study, published this week in The Astrophysical Journal Letters, suggests a model whereby the Sun was part of a binary system. …
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