In a stellar flyby, a star approaches our Solar System close enough to create gravitational mayhem. The last one was 70,000 years ago. There are more in the future, and it's possible that they could disrupt comets from the Oort Cloud and send them into the inner Solar System, with the risk of catastrophic impact.
In a stellar flyby, a star approaches our Solar System close enough to create gravitational mayhem. The last one was 70,000 years ago. There are more in the future, and it's possible that they could disrupt comets from the Oort Cloud and send them into the inner Solar System, with the risk of catastrophic impact.
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