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It kind of implies that perturbations of Neptune/Uranus, earlier attributed to a 'Planet X' (not Nancy's!) were explained by the accumulation of small bodies in the Kuiper Belt. In fact, perturbations of the size claimed turned out to be mis-observations as a result of the fly-bys of the Voyager probes past the Outer Planets. These allowed revision of the masses of the gas giants, which in turn have eliminated the perturbations. So there is nothing to explain.
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Quite right, but before they figured this out, their investigation led to the discovery of the Kuiper belt. Much like Clyde Tombaugh's search for Percival Lowell's Planet X, led to the discovery Pluto, which is now beginning to look like a KBO itself, not a planet. It’s a vicious circle, is it not? At any rate, thanks for pointing this out. Every scrap of information people add, will only succeed in making Comixx's FAQ all the more complete.
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There may have been a collision that created the moon, it's looking more and more likely that there was, but it occured early on in the formation period of our solar system and as the orbital mechanics of a large planet/brown dwarf interloping in the inner solar system and causing such a collision don't work out, I'm inclined to say Sitchin got it wrong.
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I suppose I should be more specific, Sitchin got it partially right; there was a collision of some kind, with a primitive form of Earth. I think the latest research is now suggesting an asteroid about the size of Mars, colliding with an evolving form of Earth, around 4 billion years ago. Though I think a definitive answer is still up in the air, at this point. You've got me on the asteriod belt, I've always understood that part of that debris was created from the early collision with earth. I've probably read some "Bad Astronomy" somewhere. Not sure how this got trapped in my head.
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Q: Who is Mark Hazelwood?
A: Mark Hazelwood is a self-proclaimed spritualist who has taken Ms. Lieder's ideas and Mr. Sitchin's works and wrote a book about the topic, concentrating on the rogue planet and its return, as well as the concequences of that return. Mr. Hazelwood is credited with the prediction that the rogue planet would return in 2003. He admits to having no scientific background, and gets numerous things wrong in his book. He says it is in a stable 3,600 year orbit, then contradicts himself saying it's in an unstable orbit (which would mean we can't predict its period). He says NASA, the government, and anyone who disagrees with him, is in on a conspiracy to cover up the truth or have been brainwashed to believe that Planet X / Niburu doesn't exist. Strangely, Ms. Lieder also adopts this same tactic when she's confronted with information that proves her to be wrong.
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Bravo! Great job, Comixx. This PX FAQ of yours was a great idea. It's really shaping into a great source of referrence for those new to the PX insanity. And what timing, this could really provide some much needed relief to those who stumble onto "other" websites, and get the blazes scared out of them.