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The sky is mainly broad spectrum white light like the sun,
天空中主要是像太陽一樣的寬光譜白光。
but since small particles in the atmosphere scatter light at the blue end of the rainbow more than the red
但由於大氣中的小顆粒在彩虹的藍端比紅端更容易散射光。
it's slightly blue-ish white
略帶藍色的白色
while the remaining sunlight becomes slightly yellow-ish.
而剩餘的陽光變得略帶黃色。