作者JohnMash (John)
看板Physics
标题Re: [好奇] 阳光 = 平行光?
时间Fri Dec 11 18:52:15 2009
※ 引述《Baumgartner (Minardi NO.1 ><)》之铭言：
: 国中物理有教过太阳因为离地球太远，阳光可视为平行光。
: 今天早上看到阳光透出云层，类似这样
: http://www.flickr.com/photos/irenelo_913/2466956073/
: 突然好奇心大起，假如是平行光，理论上每一条透出来的光线都会平行才对啊
: 为何每一条是辐射状散开的呢？
diffusion: photon random scattering due to
the collision with air particle
If you are on the moon, there is no diffusion.
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 112.104.169.150
1F：→ ntust661:Photon@@!? 12/11 18:55
2F：嘘 jerry78424:photons scatter randomly.......air particles 12/12 17:41
3F：→ JohnMash:photon random scattering is a noun 12/12 20:28
4F：→ JohnMash:diffusion is a noun 12/12 20:29
5F：→ JohnMash:scatter is a verb 12/12 20:37
6F：→ JohnMash:verb =/= noun 12/12 20:39
7F：推 pedroremorse:用hyphen可以避免很多不必要的误解 让文字更亲切易读 12/13 17:42