星团NGC 346内的年轻恒星
[align=center][color=red][b]影像提供:[/b] Antonella Nota (ESA/ [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.stsci.edu/&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhg0urI-FNaNNzLaikbR92MNOt4n2A][color=red]STScI[/color][/url][color=red] ) [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://hubblesite.org/newscenter/newsdesk/archive/releases/2005/35/fastfacts/&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhjXjpEVIMHDdMb_RAVXw61LqWsZSg][color=red]et al.[/color][/url][color=red] , [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.esa.int/esaCP/index.html&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiUWsJ59y--PGDJZPEk95XDWTn9lA][color=red]ESA[/color][/url][color=red] , [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.nasa.gov/home/index.html&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhgz9WTnCLyh1UyDSAWCasB-N5NSrw][color=red]NASA[/color][/url][color=red] [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.nasa.gov/&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhgGkgzgFE_vutHurByCxcT5gYAIEw][color=red]NASA[/color][/url] [/align][img]http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/image/0809/ngc346_hst_big.jpg[/img]
[url=http://antwrp.gsfc.nasa.gov/apod/ap080928.html][color=darkred]http://antwrp.gsfc.nasa.gov/apod/ap080928.html[/color][/url]
[color=green][b]说明:[/b]星团NGC 346位在[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap071001.html&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhgGHWhAE_iDuxfyunZ9Sv2jZwPR2A][color=green]小麦哲伦星系[/color][/url][color=green]最大的恒星形成区内，距离我们约有二十一万光年远，它内部的[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap991130.html&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhji6FFsqZdCsXcTjuf4wb87gBJJjg][color=green]大质量恒星[/color][/url][color=green]很短命，但会发出[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://chandra.harvard.edu/photo/2003/ngc346/index.html&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhhEV0Q0i0dv80RnC4kWV8vy88uRkA][color=green]高能量[/color][/url][color=green]的辐射。星团大质量恒星的恒星风和辐射，在云气和尘埃云内清出了一个恒星际穴洞，也[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.spitzer.caltech.edu/Media/releases/ssc2005-23/index.shtml&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiST-hEvG4Xl_AjSN9e-7JDdPOG8A]触发[/url]了恒星形成，并雕塑出这个区域高密度的内缘。这个编号为N66的恒星形成区，有大量[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap080916.html&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhgriY2PpySr9tgCB0eYKJY63YpeHg]婴儿期恒星[/url] 。例如在星团NGC 346内，就有许多年龄只有三到五百万年而核心还没开始[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.astro.cornell.edu/academics/courses/astro201/hydrogen_burn.htm&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhgPYOD5-IJOowbnZYnrhirLt5sD5Q]氢融合[/url]的[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://chandra.harvard.edu/edu/formal/stellar_ev/story/index2.html&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhhOXywip2IJ5H6EHNe_MkSD6DP7sA]婴儿期恒星[/url] 。[/color][color=green]在这幅[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://hubblesite.org/newscenter/newsdesk/archive/releases/2005/35/&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhjz1FWoEBxcC9ljLPcNm5MRp7lOnA][color=green]哈伯太空望远镜假色影像[/color][/url][color=green]里，可见光和[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://en.wikipedia.org/wiki/Infrared&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhiDo4c8ucyyA1wIBAUogv0SX7dmKQ][color=green]近红外[/color][/url][color=green]光分别以蓝色和绿色来上色，而[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://hubblesite.org/newscenter/newsdesk/archive/releases/2005/35/image/b&prev=/search%3Fq%3D%25E6%2588%2590%25E5%25A4%25A7%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhjSeB3ySX7SFNS5Uo_wVWqa23tS1w][color=green]氢原子所发出的光[/color][/url][color=green]则为红色。[/color]::42:: ::42:: ::42:: [size=2][color=magenta] (转自成大天文学教室)[/color][/size] 每次看到这么壮观的图,我好像哭,太感动了,太震撼了 漂亮,与创生之柱有得一拼::42::
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