A map of the Milky Way Galaxy
The Norma Arm is a collection of stars, planets, nebulae, and other spatial objects that forms one of many curved "arms" projecting out from the center of the Milky Way Galaxy.
The Norma Arm seemed to extend from the galactic core at the Alpha Quadrant-Beta Quadrant border, through the center of the Beta Quadrant, and ending a little into the Delta Quadrant.
The Norma Arm was shown on Federation star charts in astrometrics aboard the USS Voyager during the later years of its seven-year journey in the Delta Quadrant. (VOY: "Inside Man", et al., display graphic)
In an alternate timeline, the star chart depicting Voyager's flight path home was also displayed in Captain Harry Kim's ready room aboard the USS Rhode Island in 2404. (VOY: "Endgame")
| Spiral Arms of the Milky Way Galaxy |
|---|
| 3 kpc • Carina • Crux • Denkiri • Norma • Orion • Perseus • Sagittarius |
The graphic is shown in legible detail in Geoffrey Mandel's Star Trek: Star Charts (pp. 76-77).
In current astronomy, the Norma Arm is also known as the "Cygnus Arm."