Does Planet Nine exist?
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https://pubs.aip.org/physicstoday/article/72/3/70/916004/The-Planet-Nine-hypothesisThe-putative-planet There are too many minor planets orbiting in the same direction to be a fluke, and I think the Planet Nine hypothesis makes the most sense

Does the planet need to fit within the parameters defined in the Batygin and Brown hypothesis? E.g 0.2 <= eccentricity <= 0.5 ?

@JonLamb No, it just needs to be any planet that could reasonable be considered Planet Nine. i.e. if scientists announce "we found Planet Nine!", that counts.

bought Ṁ10 of YES

But did it clear its path? Is it really a planet than?

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