Orion Arm

The Orion Arm is a spiral escalation of an Arm in the Milky Way galaxy. The Solar System and Earth are within and amid the Orion Arm. It is also referred to as the Local Arm 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, to large important military strongholds.

The Covenant's area of inhabitance also includes much of the Orion Arm.

Related Articles

 * Planetary Systems
 * Milky Way
 * Solar System
 * Earth
 * Mars
 * Jovian Moons