Gadmeer

The Gadmeer were an alien race. They were completely alien in appearance, and were sulfur based rather than carbon based. Their society was ten thousand years old, and they were very advanced. however, they were peaceful, and fell to a superior military power. They stored their histories, sciences, DNA, and many other things into giant vessel, which shought out another world like their homeworld. However, the only planet suitible was P5S-381, which Stargate Command had resettled the Enkarans on. Eventually, the planet was given to the Gadmeer, while the terraformer transported the Enkarans to their original homeworld.