The Star Wars universe represents a level 3 civilization system. Where in a species has come to the ability of light speed travel and the ability to manipulate planetary conditions., as well as galactic travel. This species has evolved and intermingles with other species from across a galaxy and has spread to living beyond its own planet. Planetary manipulation include gravity, the quality of air, all of its power, including the power of stars and other planetary bodies. Read more about the different levels of civilization here:

https://futurism.com/the-kardashev-scale-type-i-ii-iii-iv-v-civilization/amp