Beyond Neptune, A Chunk Of Ice Is Orbiting The Sun In The Wrong Direction

Beyond the orbit of Neptune, the farthest recognized-planet from our Sun, lies the mysteries population known as the Trans-Neptunian Object (TNOs). For years, astronomers have been discovering bodies and minor planets in this region which are influenced by Neptune's gravity, and orbit our Sun at an average distance of 30 Astronomical Units. In recent years, several new TNOs have been discovered that have caused us to rethink what constitutes a planet, not to mention the history of the Solar Syst...