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Circumstance is a human colony world in the Epsilon Eridani system, famous for its universities and courts of justice.[1] One of the universities on the planet was Koletre-Browning University, which Doctor Catherine Halsey attended.[2] Kurt Trevelyan was born in the city of Mira on Circumstance in 2511, eventually growing up in Kuiper, before being abducted to the SPARTAN-II program as Kurt-051.[3]


In the Halo: Reach live-action short Spaceport, Circumstance is a destination listed at the Manassas Spaceport.

List of appearances[edit]


  1. ^ Halo: Contact Harvest, page 62
  2. ^ Halo Waypoint: Doctor Catherine Halsey
  3. ^ Dr. Halsey's personal journal