Orion Arm



The Orion Arm is a spiral escalation of a minor spiral arm in the Milky Way galaxy. It is located near the galactic core and is part of the Sagittarius Arm (a major arm). The Solar System and Earth are within and amid the Orion Arm. It is also referred to as the Local Arm, Local Spur, or the Orion Spur. It is named "Orion" due to its proximity to the Orion constellation.

By 2490, UNSC colonial space encompassed over 800 planets and colonies ranging from small outposts to large, important military strongholds in the Orion Arm. The Covenant's area of inhabitants also includes a large portion of the Orion Arm.

Related links

 * Planetary systems
 * Milky Way
 * Sol System