Home > Space > Why Is The Solar System Flat? Why Is The Solar System Flat? Space Share on Pinterest An explanation of why the solar systems, galaxies, and rings around planets settle into flat orbits. The orbit of planets around the sun is within a few percent of each other. Why should the orbits be so relatively flat? Share on Pinterest Related Posts 5 Theories About The Universe That Will Blow Your Mind A Tour Of The International Space Station Saturn’s Largest Moon: Titan Why Do The Planets Orbit In A Plane? 20+ Incredible Space Facts That Aren’t In Textbooks