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An Extreme Cousin for Pluto? Possible Dwarf Planet at Solar System Edge


A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study’s School of Natural Sciences, has discovered an extraordinary trans-Neptunian object (TNO), named 2017 OF201, at the edge of our solar system.

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study’s School of Natural Sciences, has discovered an extraordinary trans-Neptunian object (TNO), named 2017 OF 201, at the edge of our solar system. Cheng made the discovery alongside colleagues Jiaxuan Li and Eritas Yang from Princeton University, using advanced computational methods to identify the object’s distinctive trajectory pattern on the sky. Each year, the Institute welcomes more than 250 of the world’s most promising post-doctoral researchers and scholars who are selected and mentored by a permanent Faculty, all of whom are preeminent leaders in their fields.

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