Answer:
This only turns over once you have traveled very far. What is it?
What measures out time until in time all is smashed to it?
Talks like this, a green wise man does. Guess my clue, you will.
Dies half its life. Lives the rest. Dances without music. Breathes without breath.
I am mother and father, but never birth or nurse. I'm rarely still, but I never wander.
A word of five letters, Upside down is the same, A shark does this, But itβs not to blame. What is the word?