Answer:
I am found on Mercury Venus Earth and Mars but not on Jupiter or Saturn. What am I?
What goes through towns and over hills but never moves?
What goes up and down but does not move?
My second is performed by my first. A thief by the marks of my whole might be caught. What am I?
A spirited jig I dance bright, banishing all but darkest night. Air can't kill me but water can. Share me, I won't get less unless wind ruins me. What am I?
No matter how little or how much you use me, you change me every month.