====== Hyperionic ====== **Group:** Helian \\ **Class:** GeoHelion \\ **Type:** Hyperionic \\ Similar to [[Halcyonic]] worlds, these tend to have thicker atmospheres of carbon dioxide and sulphur, which produce a greenhouse effect. The atmospheres tend to have clouds, possibly of sulphuric acid or water. They are much hotter than their distance from the star would indicate, and are completely inhospitable.