This is a visualization of galaxy spirals in HTML.
Click to See it
These spirals are an illusion as the result of the eleptical oribits of the objects; They are not rigid objects. You can imagine them as conjustion areas of objects going in and out of them. Notice how the spirals never move, they have a fixed location and orientation, only the objects move.
Click anywhere to show a random object location and orbit.
Created using the p5js library.