Cosmos

The Universe collectively refers to all celestial bodies in the Metroid Series.

Ordering System
The ordering of the universe (from largest to smallest) is as follows:


 * Galaxy
 * Sector
 * Cluster
 * Region
 * System
 * Nebula
 * Planet/Station
 * Moon

Additionally, above the galaxy rank a "Government" rank could be added, as various powers of the universe control vasts amounts of space.

In the rankings below, many designations are unknown, so the headings are done by the most general information known.

Solar system

 * Earth

Federation Solar System

 * Norion
 * Elysia
 * Bryyo

Dasha Region

 * Aether
 * Dark Aether* (Separate Dimension, destroyed)

SR388 System

 * SR388 (destroyed)
 * UCB 1
 * UCB 2 (Asteroid Belt)
 * BSL (station, destroyed)

Unknown Location

 * Aliehs III
 * Cylosis
 * Daiban
 * Tivus

Space Pirates

 * Pirate Homeworld

Kriken Empire
No known territory presently

Ooromine System

 * Bilium
 * Ooromine II
 * Twin Tabula
 * Zebes (destroyed)
 * Tallon IV

Unknown Location

 * K-2L is nearby the Ooromine System.
 * Jigrad
 * Naishii

Alimbic Cluster

 * Alinos
 * Arcterra
 * Celestial Archives (space station)
 * Vesper Defense Outpost (space station)

Unknown Status

 * Bes III
 * Jovia XII
 * Mondreus
 * Phaaze (destroyed)
 * Vho
 * Wotan VII
 * UCB 3
 * UCB 4