Just How Big Is The Star Wars Galaxy?

6. The Galaxy's Structure

Star Wars A New Hope Luke Skywalker Tatooine Sunset
Lucasfilm

The Star Wars galaxy is about 120,000 lightyears in size, and holds over 400 billion stars and 3.2 billion habitable star systems. These star systems are divided into separate regions, which include the Deep Core, the Inner Rim Territories, the Mid Rim Territories and the Outer Rim Territories. Like the Milky Way, the Star Wars galaxy orbits a supermassive blackhole, with the Deep Core being closest to it.

For the most part, the galaxy's working is relatively scientifically accurate, as long as you ignore the more fantasy aspects of this sci-fi, like lightsabers and the Force. The Star Wars universe contains things like asteroids, blackholes and supernovas, just like the Milky Way.

Although supernovas have not been seen in any of the films or TV shows, there have been quite a few in the Star Wars Legends continuity. Around 5,000 years before the events of A New Hope, a star went supernova in the Modell Sector, located in the Outer Rim Territories, which created the Din Pulsar, a neutron star. During the Galactic Civil War, the Demophon star, located in the Demophon Sector of the Core Words region, went supernova, destroying all of the planets in its system.

Gravity is also present in the Star Wars galaxy, though it is far less scientifically accurate, with the laws of gravity largely being ignored. This can best be seen when General Grievous escapes his ship, the Invisible Hand, at the end of the Separatist attack on Coruscant during the opening of Revenge of the Sith - where he latches onto the outside of his ship through firing a grappling hook, despite being in the vacuum of space.

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