观测表明M87星系的气体云围绕星系中心旋转的速度异常快。
Observations indicate that gas clouds in galaxy M87 are whirling unusually fast about the galaxy's center.
日珥是被太阳磁场束缚太阳表面之上的气体云。
A solar prominence is a cloud of solar gas held just above the surface by the Sun's magnetic field.
人类研究气体云是否能高效制造恒星的历史已经很长了。
There is a fairly long history of trying to determine how efficient gas clouds are at making stars.
这颗恒星是褐矮星――像其他恒星一样，外部由尘埃和气体云构成。
The star is a brown dwarf - and formed, like other stars, out of a cloud of dust and gas.
守株待兔地等待气体云闯入其领地可不是有效率的捕猎方式。
Waiting for a gas cloud to stumble into their vicinity isn't a very efficient means of hunting.
两个天然气储量丰富粉碎一起星系碰撞和气体云，形成恒星。
Two gas-rich galaxies smash together and gas clouds collide, forming stars.
这些云大约在气体云形成项链形态之前约5000年被释放出来。
Those clouds were likely ejected about 5, 000 years before the clouds forming the necklace.
二维和三维流体力学计算机程序，已用于研究气体云的早期坍缩。
Two-and three-dimensional hydrodynamic computer codes have been applied to the study of the early phases of the collapse of a gas cloud.
这颗恒星是褐矮星——像其他恒星一样，外部由尘埃和气体云构成。
The star is a brown dwarf - and formed, like other stars, out of a cloud of dust and gas.
银河系中所有的物质最初都是球状气体云，恒星正是从中凝聚而成。
All the matter of the galaxy was originally a spherical cloud of gas from which stars were condensing out.
若想知道更多更深层的吸收线，我们需要浓密的已经收缩的气体云。
And if we want to get these big, deep absorption lines happening far away, we need to have dense, collapsed clouds of gas.
星团可能是刚好经过照片中的这片气体云，并将其加热，使之发出光芒。
The cluster is probably just passing through the cloud seen here, heating it up and making it glow.
我们银河系的中心由于尘埃气体云的阻碍，难以被光学望远镜所窥探。
The center of our Milky Way Galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas.
当光从一个类星体划过太空，便会穿过将吸收线特征印在光谱上的气体云。
As light from a quasar travels through space, it passes through clouds of gas that imprint absorption lines onto its spectrum.
早期期间宇宙冷却到足以使一种弥漫的电中性气体云充满了宇宙的分子氢形成。
It was during the Dark Ages that the universe cooled enough to allow molecular hydrogen to form, filling the cosmos with a diffuse cloud of electrically-neutral gas.
重重障碍减缓了它们的速度，使它们能够以组成新一代恒星和行星的材料充实孕育恒星的气体云。
These impediments slow their speed, so they can enrich star-forming gas clouds with the ingredients for new generations of stars and planets.
往往是区域内载光明年轻恒星和气体云都被排列在长螺旋武器，可以观察到绕银河系。
Often the regions containing bright young stars and gas clouds are arranged in long spiral arms that can be observed to wind around the galaxy.
但是后来经过更深入地研究，天文学家们意识到那里没有任何星体，它只能是一团气体云。
But after further study astronomers realised that there were no stars in it, and so it must be a cloud of gas.
那些漩涡状的尘埃气体云是恒星和行星诞生的摇篮，虽然可见光无法穿透其间，但是红外光却可以做到。
Stars and planets form within swirling clouds of dust and gas that visible light cannot penetrate, but which infra-red radiation can.
通常太空中的气体云在大爆炸所遗留下的宇宙微波的背景的作用下至少要加热到2.7开尔文。
Usually, gas clouds in space have been warmed to at least 2.7 kelvin by the cosmic microwave background, the relic radiation left over from the big bang.
图中精美而多彩的环状炽热气体云(红色为氮，绿色为氢，氧为蓝色)描绘出了纤细的沙漏形状。
Here, delicate rings of colorful glowing gas (nitrogen-red, hydrogen-green, and oxygen-blue) outline the tenuous walls of the hourglass.
天文学家于1980年用数字和图形表示出昴宿星团正通过一气体云移动另外不与星团星星联系。
Astronomers figured out in the 1980s that the Pleiades cluster was moving through a cloud of gas otherwise not associated with the cluster's stars.
但是，这个理论只有做如下假设才成立，即：在黑洞有机会形成前，其特殊条件恰好阻止气体云转变成恒星。
But that works only with the assumption that very special conditions were in place to prevent the gas from turning into stars before a black hole had a chance to spring to life.
科学家们曾经想象星系是由某种整体的崩塌形成的，在这个过程中，极大量的气体云突然向内收缩。
Scientists once imagined galaxies forming by a sort of monolithic collapse, in which a giant cloud of gas suddenly fell inward.
科学家们曾经想象星系是由某种整体的崩塌形成的，在这个过程中，极大量的气体云突然向内收缩。
Scientists once imagined galaxies forming by a sort of monolithic collapse, in which a giant cloud of gas suddenly fell inward.
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