Here is the rundown:
The research: The discovery of a possible ninth planet is discussed in Evidence for a Distant Giant Planet in the Solar System, by Konstantin Batygin and Michael E. Brown of the California Institute of Technology. Brown is the well-known scientist who discovered Eris, a dwarf planet with an orbit “well out of the plane of the solar system's planets,” according to NASA. The find led to the demotion of Pluto from planet to dwarf planet. Brown also wrote a book about it: How I Killed Pluto and Why It Had it Coming,(Spiegel & Grau; 2010).The argument: Published Jan. 20 in The Astronomical Journal, the paper argues that scattered disks in the Kuiper Belt are exhibiting “an unexpected clustering.” The authors write that “such a clustering has only a probability of .007 percent to be due to chance.” The orbital alignment, they wrote, “can be maintained by a distant eccentric planet.”
The explanation: In an interview on Cal Tech's YouTube website, the two scientists describe how their ideas developed:About Planet Nine: It could have a mass about 10 times that of Earth. The astronomers made the find using mathematical modes and computer simulations, a Cal Tech news release pointed out. The planet has not yet been spotted with a telescope.
Related:
NASA marks verification of 1,000th planet
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