Solveig is one of the 5 systems located inside the Caleston Rift cluster in Mass Effect 2. Solveig is turning into a red giant star early and the planets within possess an average amount of mineral resources. Solveig can be unlocked after completing Stop the Collectors: Investigate Collector Ship or both the Project Firewalker: Rosalie Lost Mission (Requires the Firewalker Pack DLC) and Horizon to fully unlock this system.. Within Solveig, you can find 3 Planets. Below you can find all the Planets, Satellites and starships within Solveig.