👉 The term "exochorion" is a concept in astrophysics, specifically related to the distribution of planets around other stars. It refers to the distribution of gas and dust within the core of an exoplanet's planetarium, which is where it would be if it were a star. In general, planets are thought to orbit their star in elliptical orbits, but because they have no atmosphere or magnetic fields (which can cause them to spiral outwards), they do not actually follow