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。
Optical astronomy is most directly affected, for although interstellar gas is perfectly transparent, the dust is not.
我们可以用星际气体造出新的恒星。
我们感兴趣的是星际气体的热容量。
We will be interested in the heat capacity of interstellar gases.
我们可以用星际气体造出新的恒星。
'We'll just have to build new stars out of interstellar gas.'
光波和无线电波能被星际气体和尘埃吸收及散射。
Light and radio waves are absorbed and scattered by interstellar gas and dust.
不过,我们可以从星际气体中重新制造新的恒星。
那里的星际气体已集中在星系群周围形成了云层。
What's happening out there is that intergalactic gas has concentrated around a cluster of galaxies, forming a cloud.
人们甚至猜想,恒星是由星际气体“凝结”而成的。
The people even suspected that, the star is "the congealment" becomes by the interstellar gas.
在经典黑暗星云中,蛇是星际气体和尘埃组成的卷须,长约650光年。
A classic dark nebula, the Snake is a tendril of interstellar gas and dust about 650 light years away.
由于星际气体对蓝光、绿光的散射、吸收,星云看上去很红。
The nebula appears red because its blue and green light are scattered and absorbed more efficiently by material between the nebula and Earth.
一个冷的星际气体云的收缩,可以通过许多不同的方式来进行。
The contraction of a cool interstellar gas cloud can proceed in a variety of ways.
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。
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.
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。
As the supernova blast wave slams into tenuous clouds of interstellar gas, the resulting collision heats and compresses the gas, causing it to glow.
通过将星际气体分部绘制成地图,我们填补了关于银河系知识的主要空白,Welsh说。
By mapping this gas, Welsh said we were filling in major blanks in our knowledge about the galaxy.
传统的理论认为它一定像一颗恒星那样是由一团星际气体形成的压缩星云组成的。
Conventional theory suggests that it must have formed like a star, from a collapsing cloud of interstellar gas.
密度波理论中星系激波的解大都假设为局部的,并且往往不考虑星际气体自引力的影响。
It is generally assumed the solution of galactic shock wave is local one and takes no account of gaseous self-gravitation in the theory of density wave.
本文用星际气体自引力星系激波来解释星系的螺旋结构、恒星的扰动引力场并非必要条件。
Tn this paper, the galactic spiral structure is studied by the galactic shock wave of interstellar gas with self-gravitation. The perturbed gravitation of stars is not ?
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。
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.
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。
Supernova remnants play an important role in stellar evolution by enriching space with heavy elements, and triggering new star formation by compressing interstellar gas.
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。
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.
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.
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。
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.
这个被星际气体和灰尘环绕的星团称为星云,位于距离地球2万光年的船底星座,内包含着大量巨大炽热的恒星。
The nebula, located 20,000 light-years away in the constellation Carina, contains a central cluster of huge, hot stars.(See photo)
在这之中,整个电脑动画的视频就仿佛闪烁起了未知的恒星、未知的行星,并串联起了那些未知的星际气体飘往未知的区域。
Past that, the entire computer animated video seems to sparkle with unknown stars, unknown planets, and sequences where unknown gas is flowing toward unknown places.
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。
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.
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。
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。
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.
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