Defining true zenith distance is knowing the difference between Africa and south America.True zenith distance is associated with Greenwich line and meridional zenith distance is defined with the...
The Earth rotates on its axis. This causes it to bulge very slightly around its equator, which makes it wider there. This also causes the poles to flatten slightly.
The exact distance can't be known because the location of the Upper Room is not known. However, the distance from the center of Jerusalem, as it was in those days, to the garden is approximately one...