An undiscovered planet four times larger than the Earth could be lurking in the outer solar system.
Astronomer Rodney Gomes of the National Observatory of Brazil in Rio de Janeiro has claimed that several Kuiper belt objects including the dwarf planet Sedna are in strange orbits and that a new undiscovered planet could be to blame. He presented his findings at a meeting of the American Astronomical Society on Tuesday.
Other astronomers have been intrigued by Gomes' claims however most agree that more evidence is needed to confirm them. "Obviously, finding another planet in the solar system is a big deal," said astronomer Rory Barnes. "What he showed in his probability arguments is that it's slightly more likely. He doesn't have a smoking gun yet."
For the new work, Gomes analyzed the orbits of 92 Kuiper belt objects, then compared his results to computer models of how the bodies should be distributed, with and without an additional planet.
View: Full article | Source: National Geographic
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