Aug 19, 2020
Harvard Astronomers Propose That Our Star System Used to Be Binary
Posted by Malak Trabelsi Loeb in category: space
A team of Harvard astronomers have a wild new theory: the Sun used to have a companion star, making our solar system a binary one during its ancient history.
The astronomers say the theory could explain the formation of the Oort cloud, a theoretical cloud of dust and smaller objects in the distant regions of our solar system that many believe was created out of the left overs from the early solar system.
In a new preprint submitted last month to the preprint archive arXiv, the team suggests that the Sun used to have a long lost binary star companion. Such a system could explain how some objects were scattered to the far reaches of the solar system, sometimes even making it to neighboring systems and vice versa.
Continue reading “Harvard Astronomers Propose That Our Star System Used to Be Binary” »