破茧而出的恒星群R136
[align=center][color=red][b]影像提供:[/b] N. Walborn ( [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.stsci.edu/&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=ALkJrhgO1bwJADlE5dzwqpfrAzrgDbmt8g][color=red]STScI[/color][/url][color=red] ) et al., [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.stsci.edu/ftp/instrument_news/WFPC2/wfpc2_top.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=ALkJrhjw6h4DbGX-zVoxpxNaA5rty0N1jw][color=red]WFPC2[/color][/url][color=red] , [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://oposite.stsci.edu/pubinfo/HSToverview.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=ALkJrhgWOoUGeV5L81nR5v9eGIYSd8sUew][color=red]HST[/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%3Dnasa%25E6%25AF%258F%25E6%2597%25A5%25E4%25B8%2580%25E5%259B%25BE%26complete%3D1%26hl%3Dzh-CN%26newwindow%3D1%26sa%3DG&usg=ALkJrhj_xlqOJA-k78QP_ky3FPssLJYzsQ][color=red]NASA[/color][/url][/align][img]http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/image/0107/30Doradus_hst_big.jpg[/img]
[color=green][b]说明:[/b]恒星形成区[/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/ap991026.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=ALkJrhhsLEDqt-wHsA37yYDdLjhgYIqTWQ][color=green]剑鱼座30 (30 Doradus)[/color][/url][color=green]的中心，有一群天文学家现知最巨大、最炽热的大质量恒星。 [align=left]名为[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap991027.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=ALkJrhjlCs0AF-3yltdNaynU0VkrErr8zw]R136[/url]的这个恒星群，它的成员正从诞生的它们的云气和尘埃茧中挣脱出来。 [/align][align=left]在[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://oposite.stsci.edu/pubinfo/pr/2001/21/&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=ALkJrhhlFlP96Uut7q2KqqGhXL5fKZThDA]上面这张[/url]由[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.stsci.edu/hst/&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=ALkJrhiK479wzTEZIyRuFL4gbXohVgqycQ]哈伯太空望远镜[/url]所拍摄的影像里，分散在照片各处的星茧碎片，主要是剑鱼座30内[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://csep10.phys.utk.edu/astr162/lect/light/ionization.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=ALkJrhgUSuDzSnZOyb3ETH4tZOs2OPAbSA]游离化[/url]的[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://pearl1.lanl.gov/periodic/elements/1.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=ALkJrhj2uCdRq66M8N7V0BZywiVu5dcTqQ]氢[/url]气。 [/align][align=left][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://adsabs.harvard.edu/cgi-bin/nph-bib_query%3Fbibcode%3D1998ApJ...493..180M&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=ALkJrhgjfdLbugip2gZNR1vpFQR36KwTLg]R136[/url]是由数千颗[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap010506.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=ALkJrhgH9q8Nu5k984_ljjYyYh4UD79MmA]炽热的蓝色恒星[/url]所组成，有些成员的质量甚至比[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.nineplanets.org/sol.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=ALkJrhhvL7XufK5dWIlOxnD_KHpRT80Qhg]太阳[/url]要大上50倍。 [/align][align=left]R[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://adsabs.harvard.edu/cgi-bin/nph-bib_query%3Fbibcode%3D1999AJ....117..225W&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=ALkJrhgFMMu399_N5Zm2zmjGI7fcb6EBPA]136[/url]的另一个常见的名称是[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.encyclopedia.com/printablenew/33395.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=ALkJrhi0iTe4Vrp7LmziOsZtLW7SA4OYZg]NGC[/url] 2070，它位在我们[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/milky_way.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=ALkJrhjOozLlIyFGVZwDjougf9xdEStaIQ]银河系[/url]的卫星星系[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap000222.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=ALkJrhhWDj_HERdcjNctarIye24C1w0YIA]大麦哲伦星云(LMC)[/url]内。 [/align][align=left]虽然R136的恒星都非常年轻，所以年龄和银河系内的[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/open_clusters.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=ALkJrhjwvYXqWJCWQnNa9ULYom6HlEF8bg]疏散星团[/url]较接近。 [/align][align=left]不过因为它的恒星密度很高，所以过了数十亿年后，大质量恒星都死亡之后，它会变得很像是拥有众多小质量恒星的[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/globular_clusters.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=ALkJrhgqzdXVk7O16g4pZkoCceEc9y9ibQ]球状星团[/url] 。[/color] ::42:: ::42:: ::42:: [size=2][color=magenta](转自成大天文学教室)[/color][/size][/align]
[[i] 本帖最后由 zheng123 于 2008-8-23 11:40 编辑 [/i]] 其实很多照片都有朋友发过了，不过还是要感谢大力士的分享啊！！
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