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Planet X
SpaceA giant undiscovered planet could be hiding in our solar system
One of the most intriguing mysteries in modern astronomy is the possibility of an undiscovered planet lurking in the Solar System
Joseph Shavit![](https://www.thebrighterside.news/uploads/2024/08/hidden-planet-1.webp?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
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One of the most intriguing mysteries in modern astronomy is the possibility of an undiscovered planet lurking in the Solar System
Joseph Shavit