The Urs system, designated CE-80-9012 by the Forerunners,[1] is a ternary star system, housing the primary star Urs, and the orbiting stars Fied and Joori. Urs is also orbited by a system of several planets, of which the Sangheili homeworld Sanghelios is the fourth.[2] Formerly under Covenant control, the system fell under the auspices of the Sangheili after the splintering of the Covenant in the Great Schism.

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