Space
Stellar intruder’s daring fly-by of the solar system
A nearby star passed within a light year of the sun 70,000 years ago, close enough that early humans could have seen it
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A nearby star passed within a light year of the sun 70,000 years ago, close enough that early humans could have seen it
In the past year, the seventh planet has sported huge cloud systems so bright they could be seen by amateur astronomers on Earth, but no one knows the cause