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
Escape from the Planet of the Apes Escape from the Planet of the Apes Escape from the Planet of the Apes is a 1971 science fiction film directed by Don Taylor and written by Paul Dehn. It stars Roddy McDowall, Kim Hunter, Bradford Dillman and Ricardo Montalbán. It is the third of five films in the original "Planet of the Apes" series produced by Arthur P. Jacobs, the second being "Beneath the Planet of the Apes" (1970). Its plot centers on many social issues of the day including scientific experimentation on animals, nuclear war and government intrusion. The film was well received by critics, getting the best