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 Boy from the Sun The Boy from the Sun The Boy from the Sun is a 2006 children's book by Canadian author Duncan Weller. The second edition, a ten year anniversary book was reprinted in 2016 with an additional 4 illustrations under the author's publishing company name Rogue Planet Books. Three children sit unenthusiastically on a sidewalk "between home and school." A black cloud forms above their heads and grows larger. The cloud not only represents pollution emanating from the three smoke stacks but the state of mind of the children. The black cloud grows bigger until the Boy from the Sun performs a