Yes It's not my solar system.
No, nobody has ever left the solar system.
Depends "very" much on the definition of the boundary of the solar system, but it's possible Voyager I may well have.
No satellite has left our solar system. The farthest human-made object from Earth is the Voyager 1 spacecraft, which has entered interstellar space but is still within the boundary of our solar system.
No.
No. The solar system is part of the Milky Way Galaxy and is very unlikely ever to leave it.
You're in the solar system right now.You've been in the solar system since the moment you were born,and you'll be in it for the rest of your life.You can never journey to the solar system, because you're in it now,and there's no way you'll ever be out of it.
Both.
Both Voyager 1 and 2 have travelled through the solar system, I believe Voyager 1 is the only one which has left the solar system (or is in the process of).
they come from the left over matter from when that solar system was first made
Ever since the world and the solar system were created.
There were a total of nine planets in the solar system when Pluto was considered a planet.
About 35 years ago.