Approximately 'twenty years ago' in the events of Metroid Prime 3: Corruption, an organic supercomputer was designed by the Galactic Federation. It was an supercomputer that could link to a vast network. The super computer was named Aurora. They controled entire areas and would stop and warn about oncoming threats. And to give help to Samus Aran throughout her questing. The Aurora Unit's brain- suggests that the popular Mother Brain was indeed an type of Aurora Unit.