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 Web Planet The Web Planet The Web Planet is the fifth serial of the second season of the British science fiction television series "Doctor Who", which was first broadcast in six weekly parts from 13 February 1965 to 20 March 1965. The serial involves the time traveller the First Doctor (William Hartnell) and his travelling companions Ian Chesterton (William Russell), Barbara Wright (Jacqueline Hill), and Vicki (Maureen O'Brien) allying themselves with the former inhabitants of the planet Vortis, the Menoptra, as they struggle to win back Vortis from the malignant Animus. An unknown force pulls the TARDIS off course and forces it