Quasars are the highly energetic cores of distant galaxies.
類星體是遙遠(yuǎn)星系的極為活躍的核心體.
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They have discovered now , previou sly unimagined objects - pulsars, quasars, and black holes.
他們發(fā)現(xiàn)了以往想象不到的新客體 —— 脈沖星 、 類星體和黑洞.
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The quasars cannot shine for longer than a few million years with their present luminosity.
在幾百萬年以后,類星體將不可能具有他們今天那樣的發(fā)光度.
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The discovery of quasars refuted the Steady State theory.
類星體的發(fā)現(xiàn)否定了穩(wěn)恒態(tài)理論.
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They have discovered now, previously unimagined objects - pulsars, quasars, and black holes.
他們發(fā)現(xiàn)了以往想象不到的新客體 ― ―脈沖星 、 類星體和黑洞.
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This paper presents a novel method for redshift determination of quasars.
給出了一種新的類星體光譜的紅移測量方法.
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Quasars or dwarf galaxies would scatter the elements more unevenly.
類星體或矮星系可使這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.
一組哈勃拍攝到的恒星狀球體(類星體)的宿主星系的圖片.
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What are quasars and active galactic nuclei?
甚麼是類星體和活躍星系核?
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For many years, Treister says, astronomers doubted that obscured quasars were very common.
特雷斯特表示, 多年來天文學(xué)家們一直不相信被遮擋的類星體是很普遍的.
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Quasars are optical and sources of enormous intensity, apparently at great distances from the earth.
類星體是極強的光源和射電源, 看上去距地球極其遙遠(yuǎn).
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Quasars are the signatures of distant galaxies housing multi - spectral emanations outside our sphere of consciousness.
類星體是遠(yuǎn)端銀河系的封印,蘊藏我們意識球體之外多重頻譜的能量射線.
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Since the light arriving from the quasars began its journey billions of years ago.
來自類星體的光從數(shù)十億年前就開始了它們的旅程,所以在宇宙誕生初期.
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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個5GHz亮 射電源中 ( S5GHz≥1.0Jy ), 至少有291個 ( ≥56% ) 是類星體.
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Energy is injected into space by quasars in the form of fast, nonrelativistic particles.
能量是以快速非相對論性粒子的形式由類星體注入空間的.
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