[omega4179]

Still how can that space station be safe with all these rocks passing through our orbit.

[ETL]

Still, how can the space station be safe with all these rocks passing through our orbit.

It is extremely unlikely that a space rock will hit the Space Station. It's more likely to be struck by a piece of "space junk" (man-made objects zipping around Earth at speeds in excess of 15,000 miles per hour).