拉查峰上的彩云
[align=center][color=red][b]影像提供与版权:[/b] [/color][email=esser%20at%20ari.uni-heidelberg.de][color=red]Ute Esser[/color][/email][color=red] ( [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.ari.uni-heidelberg.de/&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhh5MOY8yafBTLi2SpvK6lWOxOEqvQ][color=red]U. Heidelberg[/color][/url][color=red] )[/color] [/align][img]http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/image/0310/iridescent_esser_big.jpg[/img]
[color=green][b]说明:[/b]在朝阳爬上山头前，七彩缤纷的云在天际翩翩起舞。 [align=left]一整片[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.sundog.clara.co.uk/droplets/irid1.htm&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhhHKq99TiJZRqwkRz11l98i4Jbr1Q]彩云[/url]造成这一场无欲警的光影表演，并于九月初在[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.cia.gov/cia/publications/factbook/geos/sz.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiipMFkgQlYZ0nmOjmZZWnomAXFpQ]瑞士[/url]瓦立州的奥罗拉被拍摄下来。 [/align][align=left]照片中的山峰是[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.geocities.com/hs_dav/touren/hoch/tsa5.htm&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiCKhqV-PvtotPWEjCDTezCsjnp7Q]Aiguille de la Tsa[/url] . [url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap030311.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhgVxM9PTO4FRTRU7PdvsWzuD0s5zg]彩云[/url]是由一群大小相当[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://vathena.arc.nasa.gov/curric/weather/pricloud/&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhjOj3SugTh_67xDyWuJ_WtN19x9fQ]水滴[/url]的组成，因此这些水滴几乎能以相同的方式折射太阳光。 [/align][align=left]由于[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap021110.html&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhg7AyRjXVgCOqy47D5iA3HwTZQYiQ]不同颜色光[/url]的折射角度不同，观测者会看到不同颜色光来的方向有些许的不同。 [/color][/align][align=left][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.hyperdictionary.com/dictionary/iridescence&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhi986Ojo6cHyBcfEuiCOa-MxSdqtg][color=green]彩[/color][/url][color=green]云最容易在没有太阳光直射状况下看到，然而他们有时候也会在太阳旁边[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.sundog.clara.co.uk/droplets/corona.htm&prev=/search%3Fq%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiV8GiZFnFDCr7dR82RcfsgIcm71Q][color=green]围成一圈[/color][/url][color=green]出现。[/color]::42:: ::42:: ::42:: [size=2][color=magenta](转自成大天文学教室)[/color][/size][/align] 这云彩的颜色很特别，而且很好看，（要仔细看）大家快来呀， 像油画呀，(*^__^*) 嘻嘻…… 对，还是印象派::070821_06.jpg::
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