In article ,
WaltA wrote:

one particular observation was equated
with the area of a dime at 75 feet, how many of those areas would there be
in the total sky, northern and southern hemispheres?

It is a poor analogy, a dime, nor any other circular area, does not
tile the surface of a sphere

They do to a within about 15%.

-- Richard
--
"Consideration shall be given to the need for as many as 32 characters
in some alphabets" - X3.4, 1963.