Answer:
You shoot me but I don't die. You hang me but I don't die. What am I?
I'm where yesterday follows today and tomorrow is in the middle. What am I?
I am an instrument you can hear but cannot touch or see. What am I?
I direct you from outer space.
Glittering points that downward thrust. Sparkling spears that never rust. What am I?
No matter how little or how much you use me, you change me every month.