Ninth planet may have been discovered, researchers say
(CNN) — You might have a replacement, Pluto. There could be another planet in our solar system.
Researchers at the California Institute of Technology have found evidence in the outer solar system of an object that could be a real ninth planet.
Nicknamed Planet Nine, it “has a mass about 10 times that of Earth and orbits about 20 times farther from the sun” than Neptune. That means “it would take this new planet between 10,000 and 20,000 years to make just one full orbit around the sun,” according to Caltech.
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