Answer:
What surrounds the world, yet dwells within a thimble?
It is worldwide, but once only a spider could weave one
Many hear me, but no one sees me, and I only speak when spoken to
You throw away the outside, eat the inside, then throw away the inside. What is it?
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.