Aether (Metroid)

Aether is a world in the Dasha System and is home to the Luminoth, while is twin Dark Aether is home to the Ing. Samus is sent to Aether on a mission to find a missing squad of Space Marines that had crashed on Aether. Samus then finds herself sucked into an interdimensional/interplanetary war once she absorbs the Energy Control Module. Samus then had to travel to each temple and it's Dark Aether counterpart to restore  Aether's planetary energy.