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Marcel Tschudin  wrote:

> OK, I give it a try.

Thank you for your response.  Your response goes a long way in answering my
questions. I feel I may have stated the question(s) poorly.

My understanding were the balloons were hypothetical ("imaginary") so
placement was not a problem.

More importantly, I was reacting to a string of balloons to the GP of the
setting sun (About 5400 nautical miles away).

> But in theory: Assume you know the athmospheric conditions to
> "the  horizon" and beyond right up to GP of the sun, i.e. you are able to
> monitor these conditions for this entire stretch; say you have an imaginary
> string of weather balloons thousands of miles long.

That seemed unnecessary to me.

I wrote, "In my mental picture, I am not wrapping my vision along the
surface of the Earth. I have a line of sight from my eye position to the
Sun, which will run out of atmosphere *long* before 5400 nm or the 93
million miles to the Sun.  Therefore I would want a series of hypothetical
weather balloons along my line of site."

Am I less obtuse now?

Thanks

Bill B.




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