A caliph once asked where's the spotlight of the dirt?
Answer:
Cetre of the earth is at the heart dear. We can not reach in attendance.
The center of a sphere, is central point contained by centre of its x, y and z, I know what you want to ask, probably one idiot replied to caliph and told him mecca. but that's too funny to believe contained by, in today. because we adjectives know the earth is sphere not a plain