Quasars are the highly energetic cores of distant galaxies.
类星体是遥远星系的极为活跃的核心体.
《简明英汉词典》
They have discovered now , previou sly unimagined objects - pulsars, quasars, and black holes.
他们发现了以往想象不到的新客体 —— 脉冲星 、 类星体和黑洞.
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The quasars cannot shine for longer than a few million years with their present luminosity.
在几百万年以后,类星体将不可能具有他们今天那样的发光度.
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The discovery of quasars refuted the Steady State theory.
类星体的发现否定了稳恒态理论.
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They have discovered now, previously unimagined objects - pulsars, quasars, and black holes.
他们发现了以往想象不到的新客体 ― ―脉冲星 、 类星体和黑洞.
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This paper presents a novel method for redshift determination of quasars.
给出了一种新的类星体光谱的红移测量方法.
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Quasars or dwarf galaxies would scatter the elements more unevenly.
类星体或矮星系可使这些元素散布得更不平均.
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A collection of Hubble space telescope images shows galaxies that host quasars.
一组哈勃拍摄到的恒星状球体(类星体)的宿主星系的图片.
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What are quasars and active galactic nuclei?
甚麽是类星体和活跃星系核?
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For many years, Treister says, astronomers doubted that obscured quasars were very common.
特雷斯特表示, 多年来天文学家们一直不相信被遮挡的类星体是很普遍的.
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Quasars are optical and sources of enormous intensity, apparently at great distances from the earth.
类星体是极强的光源和射电源, 看上去距地球极其遥远.
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Quasars are the signatures of distant galaxies housing multi - spectral emanations outside our sphere of consciousness.
类星体是远端银河系的封印,蕴藏我们意识球体之外多重频谱的能量射线.
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Since the light arriving from the quasars began its journey billions of years ago.
来自类星体的光从数十亿年前就开始了它们的旅程,所以在宇宙诞生初期.
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Among 518 bright sources ( S 5 Ghz ≥1 . OJy ) at 5 GHz, at least 291 ( ≥56 % ) of them are known as being quasars.
更有趣的是,518个5GHz亮 射电源中 ( S5GHz≥1.0Jy ), 至少有291个 ( ≥56% ) 是类星体.
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Energy is injected into space by quasars in the form of fast, nonrelativistic particles.
能量是以快速非相对论性粒子的形式由类星体注入空间的.
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