Orion Arm

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File:Orion Arm.png

In this diagram, the Orion Arm is labeled "Local Spur". The position of the Solar System is indicated by the yellow dot.

The Orion Arm is a spiral Arm of the Milky Way galaxy. The Solar System and Earth are within 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

Sources

1. http://www.xbox.com/en-US/games/h/halo/storyline.htm - Xbox.xom Backstory
2. http://en.wikipedia.org/wiki/Orion_Arm - Orion Arm on Wikipedia