There are no absolutes in physics (well rarely any naturally curring anyway), space still has stuff in it. Even if it's just a small rock every kilo meter, that

There are no absolutes in physics (well rarely any naturally curring anyway), space still has stuff in it. Even if it's just a small rock every kilo meter, that's still a lot of rocks. 149,597,870 rocks to be exact. (Assuming the number isn't wrong.) What was exactly cleared out I don't know though.