新跃社科大学副教授Koh Tieh Yong解释说这种被称为瑞利散射的现象与雾霾中存在的某些类型的粒子有关。
"In the smoke haze, the most abundant particles are around 1 micrometre in size, but these particles do not change the colour of the light we see," he told the BBC.
他对BBC说:“雾霾中含量最高的粒子约1微米,但这些粒子不会改变我们所看到的光的颜色。”
"There are also smaller particles, around 0.05 micrometres or less, that don't make up a lot of the haze but are still somewhat more abundant during a haze period [than a normal non-haze period]... but this is enough to give an extra tendency to scatter red light more in the forward and backward directions than blue light - and that is why would you see more red than blue."
“还有一些更小的粒子约0.05微米或更小,不是雾霾的主要成分,但(与非雾霾时期相比)在雾霾期间含量会增多,足以使红光在向前和向后的方向上比蓝光更容易散射,所以你看到的红色比蓝色更多。”
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