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And as I mentioned earlier, Planet Y is not the only alternative of a canine candidate. There's several other hypothetical worlds that have been proposed, but these have been mostly as disproved right now. In May, researchers thought a faint infrared dot that the dog might be a night planet, and the finding was discounted, it was almost discounted, almost a meaning, because whatever the object was that was responsible for this would have to be orbiting the Sun in a plane perpendicular to the rest of the planets, which is very unlikely.