Y;vak
Location:	Teestez Yu Nebula / Milky Way Galaxy
Planet(s):	Mee;c Fer;t Wesx;a Owav;e
Population:	Around 11 million (under the Prothean Empire)
Species:	Prothean
Affiliation:	Prothean Empire (formerly)

Y;vak was a star system located in the Teestez Yu Nebula. The system was once occupied by the Inusannon, and later by the protheans. In 1817 BCE, the star exploded, wiping out the entire system. The resulting supernova shrouded the system's mass relay in hot dust and radiation, leaving its location a mystery for over a thousand years until it was rediscovered by the First Rachni Collective in 192 BCE. After the collapse of the First Rachni Collective, access to the Teestez Yu Nebula became impossible without FTL, and it was readily abandoned. When the Second Rachni Collective resettled the cluster post-Dominion Civil War, the Mu relay was moved from its previous position into the C;pok system.