Does our solar system have a new dwarf planet?

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF201, which, because of its distance beyond Neptune, is classified as a trans-Neptunian object (TNO). The science team that found the new body was led by Sihao Cheng, Martin A., and Helen Chooljian of the Institute for Advanced Study’s SchoolContinue reading “Does our solar system have a new dwarf planet?”
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