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) Biosphere (Earth) - zone of life "geopolitical regions" (Region) World (Region) Old World (Region) Eurasia (Region) Europe (Region) Western Europe (Country) Belgium (1830-present) 1 (Region) Flemish Region (Belgium) - Flanders 2 (Region) Brussels-Capital Region (Belgium) 3 (Region) Walloon Region (Belgium) - Wallonia