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 How Big Is The Universe? Interesting facts about space that will blow your mind. Discoveries in our Solar System! (Top 10, 2019) How High Could you Jump on Different Planets in 3D? What Is The Universe Expanding Into?