尘埃迷蒙的宇宙
[align=center][color=red][b]影像提供:[/b] [/color][url=http://nssdca.gsfc.nasa.gov/anon_dir/cobe/initial_products/dirbe/doc/dirbe_synopsis.doc][color=red]DIRBE Team[/color][/url][color=red] , [/color][url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://space.gsfc.nasa.gov/astro/cobe/&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=ALkJrhht_ReCeINZ72QJVSPahpJYfeQaAg][color=red]COBE[/color][/url][color=red] , [/color][url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.nasa.gov/&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=ALkJrhh2WOEFuYhIPCADm4vnlr4pwmdZuw][color=red]NASA[/color][/url] [/align][img]http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/image/9801/dustsky_cobe_big.jpg[/img]
[color=green][b]说明:[/b]什么东西到处都是黑色、白色和红色的斑点跜？ [align=left]把我们的[url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.astro.ucla.edu/~wright/cosmo_01.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=ALkJrhhXWvXT7XccIpC587wGqtGJxTBmOQ]宇宙[/url]算进去吧！ [/align][align=left]漂浮在广大黑暗里的天体，除了明亮的[url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap000227.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=ALkJrhjUgjxzEslK5PUaon4NSU8q15tVlg]恒星[/url]外，还有主要在远[url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.ipac.caltech.edu/Outreach/Edu/discovery.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=ALkJrhiPI3CmLk1Sj3PRbkB3C-z8OaPQtQ]红外光[/url]波段发光的[url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap990509.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=ALkJrhjmOYwOhf0-mXpAy9Kq5DTlAqnc2g]尘埃[/url] 。 [/align][align=left]不久之前，从[url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://space.gsfc.nasa.gov/astro/cobe/ed_resources.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=ALkJrhgwQKKTrnraleZ5ZV21zIKjCLOxQQ]宇宙背景探测器(COBE)[/url]以前所量到的数据里，天文学家发现大量的[url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://space.gsfc.nasa.gov/astro/cobe/cosmo_exact.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=ALkJrhi5s9evaijKOMEWctzirrnPnGUWYg]宇宙[/url]尘埃。 [/align][align=left]在[url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://oposite.stsci.edu/pubinfo/pr/1998/01/a-js.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=ALkJrhicEXOTDhg_IujB1V_nfR3A-UmBTw]上面这张影像[/url]中，它们是那团分布在宇宙各处的[url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://space.gsfc.nasa.gov/astro/cobe/tarp/irsky_tutorial.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=ALkJrhi9xh4wGhTe-UkK41-K7W6u3Z7wAw]弥漫辉光[/url] 。 [/color][/align][align=left][color=green]尘埃是由恒星制造出来的，所以[/color][url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://adsabs.harvard.edu/cgi-bin/nph-bib_query%3Fbibcode%3D2000ApJ...528...74K&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=ALkJrhj0k7Z_Airhygcm6CVc1aWXk3vqIQ][color=green]宇宙的尘埃量[/color][/url][color=green]是一个很重要的问题，因为它可以用来估计，到底需要多少颗[/color][url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.astro.wisc.edu/~dolan/constellations/extra/brightest.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=ALkJrhj8-BWdOXdxyg0u58DeRPjZ5l_x_A][color=green]恒星[/color][/url][color=green]才能产生这些尘埃、到底有多少恒星被盖住了、以及在量测[/color][url=http://203.208.37.104/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap001029.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=ALkJrhh3Jmp5R0vySvqHP0XjOka2x2Ib7Q][color=green]远处的宇宙[/color][/url][color=green]时它们会造成多大的扭曲。[/color]::42:: ::42:: ::42:: [size=2][color=magenta](转自成大天文学教室)[/color][/size][/align] 中间的"裂缝"是怎么回事啊....?::070821_02.jpg:: 呵呵 就是中间 也在纳闷 哈哈，怎么有点像巧克力蛋糕::;P ;P ;P
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