I’ve seen so many times this 2D representation of the solar system and I felt somehow shocked when I saw a Youtube video supposedly showing how the planets actually orbit around the sun, and how the sun orbits the center of our galaxy. Basically, the sun is moving and the planets orbiting around it form some sort of vortex. If you look at the whole thing as if you were in front of the vortex (or behind), you would see the 2D representation.

I don’t know either if that’s what happens in reality but this 2D representation is getting old I guess.