08-12-2016, 09:09 PM
Aristotle has described the rainbow in Meteorologica (and also mentioned it elsewhere e.g. de Caelo). An excellent summary of his theory (in connection with his colour theory is Aydin Sayili' s paper "The Aristotlelian Explanation of the rainbow" (Isis, 30, No. 1, pages 65-83, if interested, PM me for further details)
A free summary (apart from the usual sources) is here: You are not allowed to view links. Register or Login to view.
Maybe important to note here is the fact that Aristotle also focusses on 'two' rainbows, an inner and outer bow (but he is by no means the only one doing that - and he has learned from his predecessors in this instance a lot).
The Aristoteleian colour code wouldn't fit (red green and purple) though that also is not 100% assured in the Voynich context as mentioned before in the thread. Again, Aristotle's choice/reasoning of colours has been challenged beginning 14th century (Theodoricus of Freiberg).
What also comes to mind are lunar rainbows - very rarely observed - also described by Aristotle in his Meteorologica - though I can't recall now if that also comes in two...
A free summary (apart from the usual sources) is here: You are not allowed to view links. Register or Login to view.
Maybe important to note here is the fact that Aristotle also focusses on 'two' rainbows, an inner and outer bow (but he is by no means the only one doing that - and he has learned from his predecessors in this instance a lot).
The Aristoteleian colour code wouldn't fit (red green and purple) though that also is not 100% assured in the Voynich context as mentioned before in the thread. Again, Aristotle's choice/reasoning of colours has been challenged beginning 14th century (Theodoricus of Freiberg).
What also comes to mind are lunar rainbows - very rarely observed - also described by Aristotle in his Meteorologica - though I can't recall now if that also comes in two...
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