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active galactic nucleus中文是什么意思

发音:  
用"active galactic nucleus"造句"active galactic nucleus"怎么读"active galactic nucleus" in a sentence

中文翻译手机手机版

  • 活动星系核
  • 活动星系统
  • 活跃星系核

例句与用法

  • Active galactic nuclei
    活动星系核
  • On the other hand , galaxy - mass black holes are found in active galactic nuclei ( agn )
    另一种有星系质量大小的黑洞常发现存在于活跃的星系核心( agn ) 。
  • Automated spectral classification of broad - line and narrow - line active galactic nuclei based on k - nearest neighbour
    近邻方法的窄线与宽线活动星系核的自动光谱分类
  • Candidates for more massive black holes were first provided by the active galactic nuclei and quasars , discovered by radioastronomers in the 1960s
    活跃的银河核和类星体首先提供了更多质量庞大的黑洞候选者,在1960年无线天文学家发现了它们。
  • He has worked in fields ranging from star formation to active galactic nuclei and is now chair of the astronomy department at the university of washington
    他的研究?围广泛，从恒星的形成至活跃星系核均有涉猎，目前担任美国华盛顿大学天文系系主任。
  • The existence of black holes in the universe is well supported by astronomical observation , particularly from studying supernovae and x - ray emissions from active galactic nuclei
    天文学观察很好地支持了宇宙中黑洞存在,特别从研究来自活跃的银河核心超新星和x光辐射。
  • Surprisingly , the results indicate that most of the energy released by the infalling gas goes , not into an outpouring of light as is observed in many active galactic nuclei , but into jets of high - energy particles
    令人吃惊的是，结果表明，与大多数活动星系核不同，下落气体释放的大部分能量并没有作为光辐射倾泻而出，却是注入到了高能粒子喷流中。
  • Many of them were discovered in the distant universe when it was at a young age . at that time , there were significantly more interactions between stars and galaxies , particular near the core of galaxies . we can deduce the existence of black holes by studying the dynamics of such active galactic nuclei
    这类黑洞多存在于宇宙中遥远的地方即宇宙的早期，在那时，恒星和星系之间相互作用明显较多，尤其在星系核心附近我们就是藉著研究活跃星系核的动态来探测这类黑洞的存在。
用"active galactic nucleus"造句  

百科解释

An active galactic nucleus (AGN) is a compact region at the centre of a galaxy that has a much higher than normal luminosity over at least some portion, and possibly all, of the electromagnetic spectrum. Such excess emission has been observed in the radio, infrared, optical, ultra-violet, X-ray and gamma ray wavebands.
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