The crash of the whole solar and stellar systems could only kill.
youonce.(T. Carlyle)即使整个太阳系和星系崩溃,你也只死一次.
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If the stellar spectrum is known, the albedo of the dust can be obtained.
如果恒星的光谱已知, 就可得出尘埃的反照率.
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Note 3 : Actinide abundance ratios may be applied to measurements of stellar ages.
注 3: 锕充足比率可用于测量恒星的年龄.
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This formation, called an accretion disk, may be very important in some stellar birth sequences.
这种构成物即所谓吸积盘, 它在恒星诞生的某些阶段可能是非常重要的.
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Most galaxies abound with interstellar gas and dust the detritus of countless generations of stars.
绝大多数星系有着丰富的星际气体和尘埃,这些都是无数代恒星散落下来的物质材料.
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Barnard's markings are dark nebulae, interstellar clouds of obscuring gas and dust.
巴纳德标记的是一黑暗星云, 模糊气体和尘埃组成的星际云.
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These particles constitute the cores of the interstellar dust grains that may be coated with ice.
这些粒子构成了星际尘埃颗粒的核子,这些尘埃颗粒的外面也许覆盖一层冰.
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Stars condense from the matter scattered thinly through interstellar space.
恒星是疏散在星际空间的物质凝聚而成的.
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These small objects, including asteroids, Kuiper Belt objects, comets and interstellar dust.
这些小天体包括小行星 、 柯伊伯带的天体 、 彗星和星际尘埃.
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坍缩的星际云克服向内的引力而向外膨胀到较宁静的星际环境中去.
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恒星光谱分类是天体光谱自动识别中的重要组成部分.
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In contrast, the Utai are largely ignorant and disinterested in worldly or interstellar relations.
相比较而言, 尤塔人在星际间关系中常被忽视,看做是无关紧要的种族.
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随着数字宇宙, 埃马尔特和海登天文馆可以考虑到星际空间飞行任务观众深.
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在银河系中还观测到大小, 密度和质量都要大得多的冷星际物质团.
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很少有天文景观能像这个邻近的星星育婴房-著名的猎户座星云-激发著人类的想像力.
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