s*****t
发帖数: 1994 | 1 Movie: A Green Flash Over Italy
Credit & Copyright: Danilo Pivato (Beyond the Moon)
Explanation: How could the Sun turn green? Difficult to observe, the
momentary green flash above the rising or setting sun has been documented as
a phenomenon caused by the atmospheric bending or refraction of sunlight.
Like a weak prism, the Earth's atmosphere breaks white sunlight into colors,
bending red colors slightly and green and blue colors through increasingly
larger angles. When the sky is clear, a gree | a*******r
发帖数: 7558 | 2 bohren所著 "clouds in a glass of beer"，chap13, the green flash，
用一个投影仪照射水盆里倾斜的镜子，再加上些牛奶（大气散射），投射到
天花板上的光斑就会出现 green rim。他还指出，并不一定要在大海边上，
在New Hampshire的山上，也有人看到了；如果大气太干净，看到的就是
blue rim。
【在 s*****t 的大作中提到】
: Movie: A Green Flash Over Italy
: Credit & Copyright: Danilo Pivato (Beyond the Moon)
: Explanation: How could the Sun turn green? Difficult to observe, the
: momentary green flash above the rising or setting sun has been documented as
: a phenomenon caused by the atmospheric bending or refraction of sunlight.
: Like a weak prism, the Earth's atmosphere breaks white sunlight into colors,
: bending red colors slightly and green and blue colors through increasingly
: larger angles. When the sky is clear, a gree
| a*******r
发帖数: 7558 | 3 刚才睡前又读了遍Bohren写的green flash一章，忍不住起来把第一段
抄给大家分享，被提及的同学们可要加油啊：
It does not take much wandering around the coastal cities of Southern
California before coming to the conclusion that every man and his dog
has heard of the green flash. But no one sober enough to be believed
admits to having seen one. Perhaps this explains the high divorce rate:
there is a Scottish legend that anyone who has seen the green flash will
never err in matters of love. Yet the west Coast of the United States is
an ideal pla |
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