我们存在于由其它恒星组成的一个星系中，银河不再仅仅是一朵发光的云，而是必须被称作星系，它是一个岛宇宙。
We live in a galaxy of other stars; the Milky Way is not merely a glowing cloud but what we have come to call a galaxy, an island universe.
奥哈马、巴黎、西雅图和其它地区的摄影师及天空观察家们跑到野外去捕捉夜晚发光的云，科学家们称其为“夜光云”（noctilucent cloud)。
Photographers and other sky watchers in Omaha, Paris, Seattle, and other locations have run outside to capture images of what scientists call noctilucent (”night shining”) clouds.
在埃及营和以色列营中间有云柱，一边黑暗，一边发光，终夜两下不得相近。
In the middle of Egypt and Israel camp cloud, dark side, side light, night two no nearer.
在这片离地球1500光年远的广大星际分子云的边缘，有一些发光的云气包围著年轻亮星。
The Nebula's glowing gas surrounds hot young stars at the edge of an immense interstellar molecular cloud only 1500 light-years away.
这是一个宁静的夏天早晨。太阳已经在万里无云的晴空高挂，田间仍然有闪闪发光的露珠。
This is a quiet summer Morning. the sun has already got high up in the clear sky, but there are still bright dew-drops in the fields.
云的散射方向或发光强度…
这个弧形主要是由多环芳烃的有机物构成的在云的表面发光。
This arc is made up primarily of organic compounds called polycyclic aromatic hydrocarbons, which glow on the surface of the cloud.
图中泛红的星云透露出活跃的恒星形成区域，在那里年轻的灼热恒星辐射激发了附近的气体云发光。
Reddish nebulae in this image reveal regions of active star formation, where young, hot stars heat up nearby gas clouds.
露台上，空气里弥漫着蒂阿瑞花的浓郁香气，头顶上，南十字座星在万里无云的天空上闪烁发光。
On the verandah the air was scented with the heavy perfume of the tiare, and overhead the Southern Cross shone in a cloudless sky.
露台上，空气里弥漫着蒂阿瑞花的浓郁香气，头顶上，南十字座星在万里无云的天空上闪烁发光。
On the verandah the air was scented with the heavy perfume of the tiare, and overhead the Southern Cross shone in a cloudless sky.
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