Answer:
It is a path of cow juice spread across the sky but cannot be seen by the naked eye
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it can neither see nor feel it. What is it?
I have four legs but no tail. Usually I am heard only at night.
What goes around the world and stays in a corner?
Double my number, I'm less than a score. Half of my number is less than four. Add one to my double when bakers are near. Days of the week are still greater, I fear.
I'm the source of all emotion but I'm caged in a white prison.