Cosmos

The Universe collectively refers to all celestial bodies and locations in the Metroid Series (aside from locales in other dimensions or voids).

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


 * Galaxy
 * Nebula
 * Cluster
 * Sector
 * System
 * Region
 * Asteroid Belt¹
 * Planet
 * Moon
 * Station

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

¹Asteroid Belt is mentioned, as it appears in Super Metroid around Ceres Space Colony, and in Metroid Fusion, Samus crashes into an asteroid belt.

Messina System
(Only appeared in Blood of the Chozo)
 * Charybdis
 * Inteira
 * Scylla
 * Oztaki (Moon)
 * [Nextima]] (Station orbiting Charybdis)

Unknown Location

 * Aliehs III
 * Tivus

Kriken Empire
No known territory presently