星暴增星系M94
[align=center][color=red][b]影像[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.noao.edu/image_gallery/copyright.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=ALkJrhgT0DG9oXOeg4EjBRUjEeqnrI_fPA]版权[/url]与提供:[/b] Hillary Mathis & NASharp ( [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.noao.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=ALkJrhjn2rI6_iMnJgFxtTQX2Yk-WJCl_Q][color=red]NOAO[/color][/url][color=red] ), [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.aura-astronomy.org/&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=ALkJrhj2p50do0r_HlpK2Wc_eOYGZxrJvQ][color=red]AURA[/color][/url][color=red] , [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.nsf.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=ALkJrhjgcV4_HYMUzoFshyN-yziGIH4mmw][color=red]NSF[/color][/url][/align][img]http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/image/0211/m94_noao_big.jpg[/img]
[color=green][b]说明:[/b]为什么星系[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://sirtf.caltech.edu/EPO/Messier/m94.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=ALkJrhjYf20K-9WuDikmwjOVZ1agbUwdvg][color=green]M94[/color][/url][color=green]的核心会如此明亮呢？ [align=left][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/spiral_galaxies.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=ALkJrhgRRLbox6znBOB9-kxSSLH-LJS6qA]螺旋星系[/url] M94的核心周围绕着一环刚诞生的恒星，让星系的外观变得很奇特，同时也让核心发出很强的辉光。 [/align][align=left]现在[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%3D2001AJ....121.1395W&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=ALkJrhhQJvFl4EFvmlcxcttfeOSUb9M4dw]最可信的触发机制理论[/url]认为，星系M94有着由恒星组成的长[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.cs.ubc.ca/nest/imager/contributions/scharein/KnotPlot.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=ALkJrhjhhmlaG2aa-bgU-31DHISVfXZmTg]结[/url] ，像[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/ap001004.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=ALkJrhh1vA3UO0Q_CTvvWqo6G8YG-TYhcw]棒子[/url]般不停地转动，产生一个向外扩张的环状星暴增区。 [/align][align=left][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.noao.edu/image_gallery/html/im0779.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=ALkJrhhz6gGZZ4aShI0YMuHfDYR40oMQ_g]上面这张[/url]经过数位增锐的[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.seds.org/messier/m/m094.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=ALkJrhjX-OD8eb8n0lheam3-UbkJzpb5lQ]M94[/url]影像，涵盖的区域大约有30 [url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://starchild.gsfc.nasa.gov/docs/StarChild/questions/question19.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=ALkJrhgGLn17njVv0TIclwAv1wbmt76DtQ]光年[/url] 。 [/align][align=left]M94位在[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.astro.wisc.edu/~dolan/constellations/extra/constellations.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=ALkJrhi4b0xsKTWKkaohuqEtkkxZD5jAEw]北天[/url]的[url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.astronomical.org/constellations/cvn.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=ALkJrhi4dben5ZRSAQAy7pTZFfLV1q55xA]猎犬座(Canes Venatici)[/url] ，距离我们约有一千五百万光年远，用小口径的望远镜就能看见它。[/color] ::42:: ::42:: ::42:: [size=2][color=magenta](转自成大天文学教室)[/color][/size][/align] 星爆星系M94和NGC3310
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