Five-planet Nice model distant massive ninth planet is responsible for the alignment of the perihelia of several trans-Neptunian objects with semi-major axes greater than 250 AU. Although the mechanism for the ejection of the fifth giant planet in the five-planet Nice model is reminiscent of the origin of Planet Nine, with a gravitational instability including an encounter with Jupiter, it is unlikely to be the same planet. The estimated timing of the capture of Planet Nine onto its distant orbit, three to ten million years after the formation of the Solar System, when the Sun was still in its birth cluster, is inconsistent
The Man from Planet X The Man from Planet X The Man from Planet X is a 1951 independently made American black-and-white science fiction horror film, produced by Jack Pollexfen and Aubrey Wisberg, directed by Edgar G. Ulmer, that stars Robert Clarke, Margaret Field, and William Schallert. The film was distributed by United Artists. A scientist is monitoring a mysterious "Planet X" that has entered our solar system and is now near the Earth. A spaceship from the planet lands, and a space-suited humanoid emerges who speaks in musical tones. The alien makes contact with a small pocket of humanity in an isolated, fog-shrouded Scottish