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 Pluto And Its Moons Documentary Top 10 Facts – Space [Part 1] 10 Scary Yet Beautiful Facts About Space & Us What Is The Universe Expanding Into? Voyager 2 Enters Interstellar Space