Mxsmanic wrote:
Tina writes:

You can be fairly sure he used someone else's equations for line of
sight. I'd bet a significant sum he could not derive them himself. He
and Euclid would not have gotten along.

It's just simple trig. In fact, it's just solving for different sides of a
right triangle, as should be obvious from the description I gave.

Wrong; the optical line of sight is different than the geometric line of
sight because the atmosphere bends light.


--
Jim Pennino

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