Natura - nature actualia - actual entities Mundus Plinius - physical world Astra Plinius - celestial bodies Universe (Supercluster) Virgo-Hydra-Centaurus Supercluster (Supercluster) Virgo Supercluster (Cluster) Local Group (Galaxy) Milky Way Galaxy veter. (Spiral arm) Orion Arm (Region) Local Bubble Local Interstellar Cloud (Planetary system) Solar System (Planet-satellite system) Earth System (Planet) Earth veter. "spheres" (Earth) (Sphere) "surface" (Earth) (Continent) Americas (Continent) North America "Alaska" (United States; coast) (Archipelago) Alexander Archipelago (United States: Alaska: Petersburg Census Area) (Island) Stack Island (United States: Alaska: Ketchikan Gateway Borough)