For over a century, astronomers have wondered if there's an extra planet in our Solar System that we haven't been able to see yet. It seems like we get another "Planet Nine" candidate — formerly known as Planet X, before Pluto was demoted — every few years, and none have been confirmed. But the possibility has never been put to bed, either. Now, an international team of researchers have made a new detection that could be a sign of a hidden world by, poetically, unearthing what went overlooked in very old data.  Their findings, reported in a study accepted for […]

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Link :
https://futurism.com/hidden-planet-deep-solar-system