From Wikipedia: The parsec (symbol: pc) is a unit of length used in astronomy. It is about 3.26 light-years, which is equal to just under 31 trillion (3.1×1013) kilometres or just over 19 trillion (1.9×1013) miles.
I, for one, welcome our new cyborg overloads. Please don't vaporize me with you plasma rifle!
All the evidence concerning the universe has not yet been collected, so there's still hope.