When meteorological conditions are favorable for generally unlimited visibility, does that mean the atmosphere is sufficiently clear under these conditions that horizontal visibility is truly unlimited? Or is there a limit to the distance we can see under such conditions?
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3What do you mean by "see the horizon"? – gerrit Nov 07 '23 at 16:58
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this sounds like a worldbuilding question, since this would only be answerable if you knew the properties of the flat world. – John Nov 09 '23 at 03:06
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Afraid it's a bit late for the edit, as the answer doesn't match, and the user seems to have gone away – JeopardyTempest Nov 14 '23 at 08:27
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No. Horizontal visibility, in essence the distance we could see in a horizontal direction, would simply fade into the distant haze. The ultimate distance we could likely see given exceptionally clear, daylight conditions, would be about 300 km, more or less, due to Rayleigh scattering.
Thomas Perry
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