Answer:
At night I come without being fetched. By day I am lost without being stolen.
What is that which, though black itself, enlightens the world without burning?
Round as an apple, deep as a cup, and all the kings' horses can't fill it up. What is it?
Halo of water, tongue of wood. Skin of stone, long I've stood. My fingers short reach to the sky. Inside my heart men live and die.
What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements?
I can only be played on a windy day