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20 de ene. de 2015 · Learn about the possible existence of a giant planet beyond Neptune, based on mathematical modeling and computer simulations. Find out how astronomers are searching for Planet X and what its name and orbit might be.
28 de feb. de 2019 · A new paper by Caltech astronomers reviews the evidence for Planet X, a possible super-Earth beyond Neptune, and suggests it is closer and smaller than previously thought. They also argue that Planet X is the best explanation for the weird orbits of distant Kuiper Belt objects and that it could be imaged within the next decade.
2 de abr. de 2024 · Planet X and Planet Nine are both possible names for a ninth planet that could explain the orbits of some icy objects in the outer Solar System. Learn about the history, search, and alternatives of this elusive world.
2 de oct. de 2018 · A small, icy body named 2015 TG387 orbits far beyond Neptune and may be influenced by an unseen Planet X. Learn how astronomers are searching for this possible super-Earth and what it could mean for the solar system.
