Natura - nature
Status: extant
   actualia - actual entities
  Status: extant
     Mundus Plinius - physical world
    Status: extant
       Astra Plinius - celestial bodies
      Status: extant
         Universe
        Status: extant
           (Supercluster) Virgo-Hydra-Centaurus Supercluster
          Status: extant
             (Supercluster) Virgo Supercluster
            Status: extant
               (Cluster) Local Group
              Status: extant
                 (Galaxy) Milky Way Galaxy veter.
                Status: extant
                   (Spiral arm) Orion Arm
                  Status: extant
                     (Region) Local Bubble
                    Status: extant
                       Local Interstellar Cloud
                      Status: extant
                         (Planetary system) Solar System
                        Status: extant
                           (Planet-satellite system) Neptunian System
                          Status: extant
                             (Moon) Neptune III (Naiad) Voyager Science Team, 1989
                            Status: extant