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
Battle for the Planet of the Apes Battle for the Planet of the Apes Battle for the Planet of the Apes is a 1973 science fiction film directed by J. Lee Thompson. It is the fifth and final entry in the original "Planet of the Apes" series, produced by Arthur P. Jacobs, following "Conquest of the Planet of the Apes". It stars Roddy McDowall, Claude Akins, Natalie Trundy, Severn Darden, Lew Ayres, Paul Williams and John Huston. The two sequels in the 2010s reboot series, "Dawn of the Planet of the Apes" and "War for the Planet of the Apes", have a similar premise to "Battle", but