Alexander's band
Alexander's band or Alexander's dark band is an optical phenomenon associated with rainbows which was named after Alexander of Aphrodisias who first described it in 200 AD. It occurs due to the deviation angles of the primary and secondary rainbows. Both bows exist due to an optical effect called the angle of minimum deviation. The refractive index of water prevents light from being deviated at smaller angles.
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Alexander's band
Alexander's band or Alexander's dark band is an optical phenomenon associated with rainbows which was named after Alexander of Aphrodisias who first described it in 200 AD. It occurs due to the deviation angles of the primary and secondary rainbows. Both bows exist due to an optical effect called the angle of minimum deviation. The refractive index of water prevents light from being deviated at smaller angles.
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Alexander's band or Alexander' ...... by another observer elsewhere.
@en
De donkere band van Alexander ...... om ziet de band er donker uit.
@nl
La Banda di Alessandro è quell ...... l'angolo di minima deviazione.
@it
La banda d'Alexander o banda f ...... s d'un punt de vista diferent.
@ca
Полоса́ Алекса́ндра (тёмная по ...... образования полосы Александра.
@ru
亞歷山大帶或亞歷山大暗帶是與彩虹結合在一起的光學現象,因為阿 ...... 滴反射的陽光反應在天空中這一區域的光線不能到達觀測者的眼中。
@zh
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Alexander's band or Alexander' ...... ng deviated at smaller angles.
@en
De donkere band van Alexander ...... binnen de regenboog helderder.
@nl
La Banda di Alessandro è quell ...... sserva la banda di Alessandro.
@it
La banda d'Alexander o banda f ...... um es desviï en angles menors.
@ca
Полоса́ Алекса́ндра (тёмная по ...... вшего её в 200 году нашей эры.
@ru
亞歷山大帶或亞歷山大暗帶是與彩虹結合在一起的光學現象,因為阿 ...... 滴反射的陽光反應在天空中這一區域的光線不能到達觀測者的眼中。
@zh
label
Alexander's band
@en
Banda d'Alexander
@ca
Banda di Alessandro
@it
Donkere band van Alexander
@nl
Полоса Александра
@ru
亞歷山大帶
@zh