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) 1.1 (Oceanic basin) "Arctic Basin" (Arctic Ocean) 1.1.a [(Oceanic basin) "Arctic Ocean Basin" (Arctic Ocean)] see Oceanic basin Arctic Basin (Arctic Ocean) 1.1.a [(Oceanic basin) "North Polar Basin" (Arctic Ocean)] see Oceanic basin Arctic Basin (Arctic Ocean) 1.2 (Oceanic basin) "Atlantic Basin" (Atlantic Ocean) 1.2.a [(Oceanic basin) "Atlantic Ocean Basin" (Atlantic Ocean)] see Oceanic basin Atlantic Basin (Atlantic Ocean) 2.1 (Continent) Afro-Eurasia 2.2 (Continent) Americas 3 (Oceanic basin) "Indian Basin" (Indian Ocean) 3.a [(Oceanic basin) "Indian Ocean Basin" (Indian Ocean)] see Oceanic basin Indian Basin (Indian Ocean) 4.1 (Continent) Australia 4.2.450000S1470000E (Undersea plateau) Tasman Plateau (Undersea Features) 5 (Oceanic basin) "Pacific Basin" (Pacific Ocean) 5.a [(Oceanic basin) "Pacific Ocean Basin" (Pacific Ocean)] see Oceanic basin Pacific Basin (Pacific Ocean) 6 (Oceanic basin) "Southern Basin" (Southern Ocean)