A new dwarf planet dubbed "The Goblin" has been discovered in the outer reaches of our solar system. Odd properties of its orbit provide new evidence for the possible massive, undiscovered planet that astronomers call “Planet Nine."

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A new dwarf planet dubbed "The Goblin" has been discovered in the outer reaches of our solar system. Odd properties of its orbit provide new evidence for the possible massive, undiscovered planet that astronomers call “Planet Nine."