Explanation Bright nebulae abound in and around the expansive southern constellation of Centaurus.
说明明亮的星云围绕在广阔的南方人马座周围。
Brightclusters and nebulae abound in the northern constellation of Auriga.
御夫座北部有大量明亮的星团和星云。
Planetary nebulae are not as airy and tranquil as their images suggest.
行星状星云并不如影像中所显现得那麽飘逸宁静。
At the center rests the dying ember of the core of the star.Planetary nebulae can exhibit amazing and intricate structures.
行星状星云可显示出缤纷的错综复杂的结构。
Some nebulae appear to be completely engulfed by exceedingly large molecular clouds.
有些气体星云似乎被极其巨大的分子云完全包围。
The nebulae, he said, were clouds of atoms and dust.
而星云，他说，是由原子和尘埃构成的云。
The nebulae can be seen with binoculars from a dark location.
我们可以在黑暗的地方使用双筒望远镜看到到这些星云。
This fraction matches the fraction of planetary nebulae that are bipolar.
这个比例符合双极星云在行星状星云中所占的比例。
Hot stars embedded in the dust can be seen as bluish reflection nebulae.
嵌在尘埃中的炙热恒星就是那些蓝色的反射星云。
Around the cluster is a huge vague diffuse nebulae.
围绕该星团的是一个巨大的模糊的弥漫星云。
The things in the sky include stars, planets, nebulae, clusters of stars, and galaxies.
这些天空中的物体包括星星, 行星, 星云, 星团和银河系。
From spectral lines, the composition of nebulae.
从几条光谱带，我们能推测星云的构成物质。
And he made an important discovery about nebulae.
关于星云，他做出了重大发现。
Flyby of the giant nebulae of the universe.
飞越了巨大的宇宙星云。
These sources are generally viewed in projection against radio nebulae representing the remnants of supernova outbursts.
这类源一般都投影在超星爆发残骸得射电星云上。
Your own Milky Way is one of these giant nebulae.
你们的银河是这些巨大星云之一。
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