Optical astronomy is most directly affected, for although interstellar gas is perfectly transparent, the dust is not.
光学天文学受到最直接的影响，因为虽然星际气体是完全透明的，但尘埃却不是。
Light and radio waves are absorbed and scattered by interstellar gas and dust.
光波和无线电波能被星际气体和尘埃吸收及散射。
As the supernova blast wave slams into tenuous clouds of interstellar gas, the resulting collision heats and compresses the gas, causing it to glow.
当高速行进的超新星冲击波与稀薄的星际气体相撞时，气体受到压缩和加热，因此而发光。
But in the Milky Way, the elements encounter interstellar gas and dust and are restrained by the strength of the galaxy's immense gravitational field.
但是，在银河系，这些元素会遇到星际气体和尘埃，受到银河系巨大重力场的强力约束。
In addition, observations of space around our Sun have revealed that unlike the rest of the galaxy, space near us has little interstellar gas in it.
此外，对太阳周围太空的观察还显示，与银河系的其他部分不同，我们周围的太空中星际气体很少。
A molecular cloud is a region containing cool interstellar gas and dust left over from the formation of the galaxy and mostly contains molecular hydrogen.
分子云是一个包含冷却星际气体和尘埃的区域，这些气体和尘埃是星系形成之后的残留物，主要由氢分子组成。
Supernova remnants play an important role in stellar evolution by enriching space with heavy elements, and triggering new star formation by compressing interstellar gas.
超新星残骸以重元素填充宇宙空间，压缩星际气体促进新恒星的形成，因而在星体演化过程中扮演重要角色。
The initial uniform magnetic field will wind into the spiral structures in the galactic disk, in which the magnetic field and the interstellar gas are frozen together.
初始均匀的磁场将缠卷而在星系盘中形成螺旋形的结构，其中磁场和星际气体是冻结在一起的。
In an age of increasing specialization, she maintains a broad range of interests, from interstellar gas to quasars to dark matter, spanning both observation and theory.
在这个各领域越来越讲究专精的年代，她仍保持广泛的研究兴趣，从星际气体到类星体到暗物质，并且横跨了观测与理论的研究。
Beginning on the left near the galaxy's core, the sharp panorama follows dusty filaments, interstellar gas clouds, and even individual stars toward the galaxy's edge at the right.
从靠近星系核心左侧开始，我们可以从这清晰的全景图中依次看到灰蒙蒙的丝状体、星际气体云，甚至在右边星系的边缘方向上还能看到个别的恒星。
DEM L71 presents a textbook example of the double-shock structure expected to develop when a star explodes and ejects matter at high speeds into the surrounding interstellar gas.
DEM L 71是双激波结构的标准范例，人们认为其产生于恒星爆发并以高速向周围星际气体抛射物质的时候。
The features of shock wave can be analyzed qualitatively in the velocity plane for a special perturbed gravitation which is used to simulate the self-gravitation of interstellar gas.
对一种特定的扰动引力场模拟气体自引力，可以在速度平面上定性分析激波解的特性。
Known by the popular name of the Dumbbell Nebula, the beautifully symmetric interstellar gas cloud is over 2.5 light-years across and about 1,200 light-years away in the constellation Vulpecula.
这个在狐狸座相距1200光年，直径2.5光年的美丽而对称的星际气体云有个为人熟知的名字——哑铃星云。
Known by the popular name of the Dumbbell Nebula, the beautifully symmetric interstellar gas cloud is over 2.5 light-years across and about 1, 200 light-years away in the constellation Vulpecula.
这个在狐狸座相距1200光年，直径2.5光年的美丽而对称的星际气体云有个为人熟知的名字——哑铃星云。
Known by the popular name of the Dumbbell Nebula, the beautifully symmetric interstellar gas cloud is over 2.5 light-years across and about 1, 200 light-years away in the constellation Vulpecula.
这个在狐狸座相距1200光年，直径2.5光年的美丽而对称的星际气体云有个为人熟知的名字——哑铃星云。
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