[cassian includes himself in that sacrifice. he did give himself up, for the greater good. it was the least he could do after all the lives he took in the name of the same cause.]

We travel through hyperspace to cross those large distances. Most trips only take a few days at most.

I suppose we should thank your technological fore-bearers for creating something so sustainable. I hope it was a one time experience. [death, he means being injured enough for a pseudo-death.]