Iothea

A planet where all of its oxygen has been poisoned with Pollution. Located in the Unknown Regions this planet was once under control of the CIS. according to CIS data banks the planet used to be a continental planet before the they discovered the planet and ruined Iothea's atmosphere with pollution. According to Iron Republic Researchers there is no way to fixing the pollution till they find a way in the future

Known Locations
The Air Exchange Facility, the source of the Pollution it was once heavily guarded by the CIS now laid in ruins