Planet Ten
Author(s): ThanatiaWasHere
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Planet Ten is a hypothetical planet in the outer region of the Solar System. Their gravitational effects could explain the Kuiper Cliff anomaly, where the amount of KBOs suddenly drops at around 47.8 AU. If it does exist, Planet Ten is estimated to be a rocky planet (similar in size to Mars). This add-on not only adds the hypothetical into celestia, but it also gives it the name "Terminus". It's unknown if it originated in a different system or in our Solar System.
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