不寻常的螺旋星系M66
[b][color=red]影像[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.cfht.hawaii.edu/HawaiianStarlight/CFHT_WWW_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=ALkJrhhgT304WD6ChaiZcIBn7q4wPX61Ww][color=red]版权[/color][/url][color=red]与提供:[/color][/b][color=red] [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.cfht.hawaii.edu/HawaiianStarlight/&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=ALkJrhjoOdr0aR7s5PGOdwtzNofhCfnjNw][color=red]Canada-France-Hawaii Telescope[/color][/url][color=red] , [/color][email=jcc%20at%20cfht.hawaii.edu][color=red]J.-C. Cuillandre[/color][/email][color=red] ( [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.cfht.hawaii.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=ALkJrhh6zcd8IkRWFXgBj5KPonjO99bHYw][color=red]CFHT[/color][/url][color=red] ), [/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.cfht.hawaii.edu/HawaiianStarlight/&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=ALkJrhjoOdr0aR7s5PGOdwtzNofhCfnjNw][color=red]Coelum[/color][/url][img]http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/image/0404/m66_cfht_big.jpg[/img]
[color=seagreen][b]说明:[/b]为什么[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://seds.lpl.arizona.edu/messier/m/m066.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=ALkJrhicZ_mkDdp4QFVL9GMoL3ZwVZT1jQ][color=seagreen]M66[/color][/url][color=seagreen]长得不对称呢？ [/color][align=left][color=seagreen]通常气体、尘埃和新诞生恒星的[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://astron.berkeley.edu/~jrg/ay202/node151.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=ALkJrhh25bR-PeR1UColflFTiNr-PIWeWw][color=seagreen]密度波[/color][/url][color=seagreen] ，会环绕[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.seds.org/messier/spir.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=ALkJrhjQ4OS9Pf0YFcbdKWgEbzVoezC1LA][color=seagreen]螺旋星系[/color][/url][color=seagreen]的核心，产生形状[/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/ap020620.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=ALkJrhj7ujglsYo67mLgN2FK1JOg1OzYOA][color=seagreen]接近对称的星系[/color][/url][color=seagreen] 。 [/color][/align][align=left][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.e-z.net/~haworth/messier/m66.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=ALkJrhgMLAdPO8JPqU5yVrX-T7JNAve6bw][color=seagreen]M66[/color][/url][color=seagreen]漩涡臂的差异和它[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.glyphweb.com/esky/concepts/galacticnucleus.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=ALkJrhigULeIxZrcXV9g_Qvk1QaK2ecx8g][color=seagreen]核心[/color][/url][color=seagreen]的明显偏移，很可能都是由邻近星系[/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/ap980807.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=ALkJrhjzrmRwt7GQ10lwpIPdy6xDTSPrvA][color=seagreen]M65[/color][/url][color=seagreen]的[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.clupeid.demon.co.uk/tides/simple.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=ALkJrhj1eQu-FAURMr5-Vuthi6EtfqbI6Q][color=seagreen]重力潮汐拉扯[/color][/url][color=seagreen]所造成的。 [/color][/align][align=left][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.cfht.hawaii.edu/HawaiianStarlight/AIOM/English/CFHT-Coelum-AIOM-Apr2004.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=ALkJrhjmhBDbPhBTuY3pm9vJ2Rl8T8wgQQ][color=seagreen]上面影像[/color][/url][color=seagreen]中的螺旋星系M66大小约有十万[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://chandra.harvard.edu/photo/cosmic_distance.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=ALkJrhiZylCRaKgqsBkfJv71xvIZZy_-LQ][color=seagreen]光年[/color][/url][color=seagreen] ，距离我们有3千5百万[/color][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=ALkJrhhLtb-xs73KYAH2r-_RG3V65n6zww][color=seagreen]光年[/color][/url][color=seagreen]远，在由它、 [/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/ap960812.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=ALkJrhge2PU9gEFyYXtMKKZA-j-cP6sNJg][color=seagreen]M65[/color][/url][color=seagreen]和[/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/ap961101.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=ALkJrhisD6yB0zZupDSspxtqYqgaTAvUBQ][color=seagreen]NGC 3628[/color][/url][color=seagreen]所组成的[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.seds.org/messier/more/m066gr.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=ALkJrhjt6XwgaJSb63Ex6jKLBnOlyS9Zjw][color=seagreen]狮子座三胞胎(Leo Triplet)[/color][/url][color=seagreen]中，M66是最大的一个。 [/color][/align][align=left][color=seagreen]和众多的螺旋星系相似，交错在[/color][url=http://203.208.39.99/translate_c?hl=zh-CN&sl=zh-TW&u=http://www.noao.edu/outreach/aop/observers/m66.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=ALkJrhiHZnY3GK7QkCrxFohotx8l_ySdmw][color=seagreen]M66[/color][/url][color=seagreen]长而复杂[/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/%3D%2522ap030706.html%2522&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=ALkJrhh6KR1eYuw5pRuw8Hz8rF7vgZ9D_Q][color=seagreen]尘埃[/color][/url][color=seagreen]带上的[/color][url=http://203.208.39.99/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=ALkJrhhg33ItbzC7nDhnGFXgBCF4No5qmQ][color=seagreen]亮星[/color][/url][color=seagreen]及[/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/emission_nebulae.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=ALkJrhh-bXDwvs3XLZC0vU-9QFJRCsGzdA][color=seagreen]星云[/color][/url][color=seagreen] ，照亮并突显出漩涡臂，[/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 2008-8-14 06:30 编辑 [/i]] Microsoft Woridwide Telescope，M81很美。M66确实很怪，旁边还有M65。 看到螺旋星系M66长得那副模样，唯一的感觉是：震撼！ 上天制造的最美的景色 原汁源味，也很美的，yct22.gif yct22.gif yct25.gif ::24::
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