nebula

noun

1. 星云；外观似星云的星系
   a mass of dust or gas that can be seen in the night sky, often appearing very bright; a bright area in the night sky caused by a large cloud of stars that are far away

1. N-COUNT 星云
   A nebula is a cloud of dust and gas in space. New stars are produced from nebulae.
   1. ...the Great Nebula.
      猎户大星云

1. The unprecedented sharpness of Hubble's image has revealed surprising details of the nebula ejection process.
   哈勃太空望远镜拍摄到的图片相当清晰，以至于揭示了这一令人惊讶的星云喷射过程。
2. In brilliant blue, this is the pulsar wind nebula of the Crab Nebula in the constellation of Taurus.
   这个绚丽的蓝色是金牛座星系中蟹状星云的脉冲风星云。
3. Our solar system arose from a large, rotating cloud of interstellar debris called the solar nebula.
   太阳系是星际碎片太阳星云中的大团旋转云演变而生的。
4. This emission nebula on the left is famous partly because it resembles Earth's continent of North America.
   左上角的发射星云很有名，部分原因是因为它跟地球上的北美洲类似。
5. I'd go to the Crab Nebula and back for you.
   我会去的蟹状星云，以及支持你。
6. Still, no known cat could have created the vast Cat's Paw Nebula visible in Scorpius.
   可是，没有那么大的猫能制造天蝎座里这个硕大的猫爪星云。
7. Explanation: The Horsehead Nebula is one of the most famous nebulae on the sky.
   马头星云是天空中最著名的星云之一。
8. The Horsehead Nebula: New stars have already formed inside part of it.
   马头星云：新的恒星已经在其内部形成了。
9. They were near a dark-matter nebula.
   他们靠近了一个暗物质星云。
10. It is a neutron star and it is located in the Crab Nebula.
    它是个中子星，处于蟹状星云中。
11. A stroboscopic picture, a stroboscopic exposure was made of the center portion of the Crab Nebula.
    一张频闪观测仪的图，对蟹状星云的中心，进行频闪观测曝光。
12. But a few grains have survived from the primitive nebula that the solar system condensed from.
    太阳系是由原始星云凝结而成的，但有少数尘粒保留了原状。
13. 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。
14. A nebula an interstellar cloud of dust, hydrogen gas, helium gas and plasma.
    星云是由尘埃、氢气、氦气和等离子体构成的星际云团。
15. A bright knot of gas and dust in the nebula's center is known as the Hourglass Nebula.
    星云中心的一个明亮的气体与尘埃的结，被命名为“沙漏星云”。
16. It is a large region of star formation found within the Eagle Nebula.
    它是自天鹰座星云内发现的一个大的星球形成区域。
17. The theory that the solar system evolved from a hot gaseous nebula.
    太阳系是产生于一个星云热气体的理论。
18. The nebula is the result of a dying star.
    该星云是由恒星死亡后产生的。
19. The Trifid Nebula itself represents the final phase of star formation.
    三叶星云本身代表着恒星形成的最后阶段。
20. The red and purple colors of the nebula are present in different regions and are created by different processes.
    星云中红色和紫色得区域来自不同的物理过程；
21. Nebula where there is lot of "elephant nose", each of breeds at a new star.
    星云里有许多“大象鼻子”，每一条都在孕育着一颗新的恒星。
22. These pulsars appear to bein this nebula.
    这俩脉冲星是在这个星云里。
23. The great gas pillar is being eroded by the ultraviolet radiation from the hottest newborn stars in the nebula.
    壮丽的气体柱正被星云中新生的炽热恒星发出的紫外线所侵蚀。
24. Nevertheless, other isotopes suggest a supernova did go off just as the solar nebula was forming.
    尽管如此，对其他同位素的观察表明，太阳系星云形成时确有一次超新星爆发。
25. 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。
26. But most of the stars in the sky are far away galaxies or nebula.
    然而，天空中的多数恒星位于遥远的星系或星云中。
27. 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。
28. Today we know this light was an exploding star and record the colorful expanding cloud as the Veil Nebula.
    现在，我们知道这道光这是恒星爆炸的结果，而且还残留下五颜六色的扩散云气，称为面纱星云。
29. When we encountered a dark-matter nebula.
    我们遇上了一个暗物质星云。
30. We have identified the Crab Nebula as the debris of this explosion.
    我们已证明蟹状星云就是这次爆炸的遗迹。

noun

1. (pathology) a faint cloudy spot on the cornea

2. an immense cloud of gas (mainly hydrogen) and dust in interstellar space

3. cloudiness of the urine

4. a medicinal liquid preparation intended for use in an atomizer