Thread: In SoW will we be able to see planes at 40,000 ft away?
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Old 12-29-2009, 11:02 PM
Skoshi Tiger Skoshi Tiger is offline
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Location: Western Australia
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Originally Posted by Former_Older View Post
40K feet...over 7 miles. Isn't that the distance to the visible horizon at sea level?
Apparently it depends...

http://en.wikipedia.org/wiki/Horizon
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