SPACE - Where does the solar system end? Voyager isn't officially there yet

After almost a year of debate, NASA has accepted the idea that its Voyager 1 probe has left behind the last wisps of the solar wind and is flying through interstellar space. But has it left the solar system? Um, not exactly ...

http://www.nbcnews.com/science/where-does-solar-system-end-voyager-isn