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| 71. | The masterpiece shows the Orion nebula in an explosion of infrared, ultraviolet, and visible-light colors |
| 该杰作展示了猎户座星云在红外、外和可见光的色彩爆发。 |
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| 72. | Explanation: Would the Rosette Nebula by any other name look as sweet? |
| ( 说明：玫瑰星云若改为其他名字，是否看来同样甜美？ |
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| 73. | And by the time it all ended, the entire nebula was flooded with fire. |
| 在一切将要结束的时候,整个星云充满了火焰。 |
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| 74. | Perhaps the most famous pulsar lies within the Crab Nebula, the remnant of a supernova explosion that |
| 最有名的波霎，或许要算是蟹状星云里头的那颗了，这片星云是1054年观测到的超新星爆炸的残骸。 |
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| 75. | Ultraviolet light from the hot cluster stars causes the surrounding nebula to glow. |
| 来自炎热的星群之紫外线，使得周围的星云发光。 |
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| 76. | A dark nebula, one of the nearest to Earth, that appears in the southern Milky Way. |
| 煤袋最接近地球的黑色星云之一，见于银河系南部 |
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| 77. | Many objections can be raised to this picture of planetary nebula formation. |
| 形成行星状星云的这一图象可能会引起许多异议。 |
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| 78. | From ground-based telescopes, the" ant nebula" resembles the head and thorax of a garden ant. |
| 透过地面望远镜，“蚂蚁星云”看上去像一只花园蚂蚁的头与胸。 |
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| 79. | The deep mosaic also includes( left of center), the Horsehead Nebula, the Flame Nebula, and Orion's belt |
| 除此之外，在这幅深场组合影像里，还可以见到影像中右方的马头星云、焰星云和猎户座的腰带星。 |
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| 80. | The general shape of the average nebula is that of a thin circular disk somewhat thick in the center. |
| 星云最常见的形状是中间较厚边缘较薄的圆盘。 |
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