Most scientists despaired of ever knowing the physical nature of the stars.
大多数科学对了解恒星的物理性质失去了信心.
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Stars flare up and produce a lot of heat at half their life expectancy.
恒星在其生命到了一半之时会爆发性的燃烧并产生很多热量.
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值得强调指出,在恒星大气中,流体静力平衡是非常精确地成立的.
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对于一定的恒星形成频率,金属加浓最大的区域显然受到了最大的压缩.
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Observations of the ring continue to illuminate the endgame of the star.
对环圈的观测,持续阐明了恒星的生命如何进入尾声.
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But during an eclipse, stars whose line of sight lies near the Sun can be photographed.
但在日蚀的时候, 那些在我们的视线看来处在太阳附近的恒星,却可以用照相方法摄下来.
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When the hydrogen in the shell, too, is exhausted, the star takes to fusing helium there.
当壳层中的氢也燃烧殆尽, 恒星便开始融合氦.
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Fomalhaut, however, is not actually the most isolated bright star, at least not anymore.
然而, 实际上北落师门并不是最孤独的恒星, 至少已经不是.
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It must be much smaller than a star, in order that its signals fluctuate so rapidly.
它一定比一颗恒星小得多, 才能如此快速地发出信号.
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About three millions stars with the size of our sun could fit into Antares.
它能装进太阳大小的大约300万颗恒星.
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What is the world if compared to the least visible star in the firmament?
即使与天空中最暗弱的恒星相比,这世界又算得上什么?
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Speeding up its history you can see the stars be going off like firecracker s.
如果加快历史的进程,你会看到恒星的爆炸如同噼啪作响的爆竹一样.
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Many faraway stellar systems can be observed through a space telescope.
借助太空望远镜可以观察到许多离我们很远的恒星系.
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Prior to the snap , false start, five yards, defense. Still first down.
在开球之前, 防守的一方提前移动, 罚五码,还是第一次进攻. 恒星英语.
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恒星天文学家不得不承认低强度倒易律失效是重大的事实.
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