Serpent Nebula is a Cluster in Mass Effect 2 located around Citadel that works as a protection from external attacks. Serpent Nebula features 2 Systems and 6 Planets. Furthermore, most race home clusters can be reached from the Serpent Nebula using Mass Relays. In Mass Effect 2, the galaxy is divided into Clusters, Systems, and Planets. Inside each Cluster you can find a different number of Systems, and within each System you will find mainly Planets, but also Satellites. Below you can find all the Systems and Planets within Serpent Nebula.
All Systems in Serpent Nebula