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Greeks, Trojans, and a Temporary Companion for Uranus

Greeks, Trojans, and a Temporary Companion for Uranus

A telescopic survey looking for trans-Neptunian objects has chanced across a 37 mile wide chunk of rock and ice that instead moves around the sun in the same orbit as Uranus, just further ahead of the planet.

September 9, 2013 — Caleb A. Scharf