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| 11. | results with those from existing lower-redshift optical observations to refine the estimates of the star |
| 马道将他的结果与原有的低红移可见光观测结果合并，使得对宇宙恒星形成史的估计精确度提升。 |
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| 12. | The deep observations have also traced the waxing and waning of star formation in the universe at large |
| 回溯宇宙年代的深度观测，同时也追踪了整个宇宙恒星形成率的变化。 |
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| 13. | — A towering "mountain" of cold hydrogen gas laced with dust is the site of new star formation in the |
| 左图——一个饰有尘埃花边高耸的冷氢气“山脉”正是船底座星云中新恒星诞生地。 |
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| 14. | The result would be to keep the rate of star formation reasonably smooth, stopping a galaxy burning itself |
| 这样，便能够使新星的形成较为顺利，而且星系不至于在几十亿年后就自行烧毁。 |
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| 15. | Left]— A towering" mountain" of cold hydrogen gas laced with dust is the site of new star formation in |
| 左图——一个饰有尘埃花边高耸的冷氢气“山脉”正是船底座星云中新恒星诞生地。 |
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| 16. | In short, quasar activity, like star formation, was more vigorous in the distant past, a third sign that |
| 简单地说，类星体的活动就像恒星的形成一样，在遥远的过去比今天更为猛烈，这是第三个指标，显示出我们生活在一个相对较为乏味的年代。 |
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| 17. | are scattered throughout the galaxy, interspersed with numerous dustier reddish regions of current star |
| 炽热的蓝白色大质量恒星群遍布整个星系，散布在众多充满尘埃略带红色的恒星诞生区中。 |
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| 18. | When the universe was relatively young— one billion years old— the star formation rate was already high |
| 宇宙还很年轻时（0亿年左右）恒星形成率已经非常高了，大约是全盛时期的1/。 |
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| 19. | [Left] — A towering "mountain" of cold hydrogen gas laced with dust is the site of new star formation |
| 左图——一个饰有尘埃花边高耸的冷氢气“山脉”正是船底座星云中新恒星诞生地。 |
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| 20. | He has worked in fields ranging from star formation to active galactic nuclei and is now chair of the |
| 他的研究範围广泛，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。 |
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