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. 1 "spheres" (Earth) 1.4.1 [Oceani] see Sphere Hydrosphere (Earth) 1.4.1.0 [oceans] see Sphere Hydrosphere (Earth) 1.4.2 [Maria - seas] see Sphere Hydrosphere (Earth) 1.4.2.0 [seas] see Sphere Hydrosphere (Earth) 1.4.3 [Lacus - lakes] see Sphere Hydrosphere (Earth) 1.4.3.0 [lakes] see Sphere Hydrosphere (Earth) 1.4.4 [Fluvii - streams] see Sphere Hydrosphere (Earth) 1.4.4.0 [streams] see Sphere Hydrosphere (Earth) 1.4.5 [Scaturigines - springs] see Sphere Hydrosphere (Earth) 1.4.5.0 [springs] see Sphere Hydrosphere (Earth) 1.6.1 [Continenta - continents] see Sphere surface (Earth) 1.6.2 [Insulae (Earth) - islands] see Sphere surface (Earth) 1.6.2.0 [islands] see Sphere surface (Earth) 1.6.3 [Montes - mountains] see Sphere surface (Earth) 1.6.3.0 [mountains] see Sphere surface (Earth) 1.6.4 [Craters] see Sphere surface (Earth) 2 "history" (Earth)