User blog comment:Stabber ApSig/Mass Relays Gone, ME3 ending/@comment-86.67.8.177-20120310191952/@comment-67.191.192.33-20120313002229

No Aethyta says that she proposed that the asari learn how to make mass relays. They just laughed at her, they don't actually know how to do it. It took the protheans who knows how long to build the Conduit, and that was a one way trip.