BULLDOG:
Nobody said they are the same thing. But you just want to argue for argument's sake.
A sphere is a 3-dimensional
round object. Round objects are circles. A regular circle is a 2D object.
"A
sphere is a three-dimensional object that is perfectly
round and symmetrical. It is defined as the set of all points in 3D space that are equidistant from a fixed point (the center). The distance from the center to any point on the surface is called the radius. A sphere is a 3D shape with no edges or corners."
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Your obsession over Isaiah's words at chapter 40 verse 22 says one thing: You cannot overcome the fact that the Bible writers were thousands of years ahead of their time and that therefore, their writings were inspired by Almighty God Jehovah.
"{22} There is One who is dwelling above
the circle of the earth, the dwellers in which are as grasshoppers, the One who is stretching out the heavens just as a fine gaze, who spread them out like a tent in which to dwell," (Isaiah 40:22)
Alter2Ego