We know that formaldehyde is common in cosmic molecular clouds, so there's good reason to think Earth had plenty of this vital compound.
我们目前已知甲醛在宇宙分子云里面是很常见的，所以我们也可以认为早期的地球上有很多这种重要的化合物。
In the cold vacuum of space, radiation from massive stars carves away at cold molecular clouds, creating bizarre, fantasy-like structures.
在太空的寒冷真空之中，来自大质量恒星的辐射如同光剑一般切开了冰冷的分子云，创造出奇异梦幻的雕塑。
In a kind of star assembly line, interstellar molecular clouds collapse, producing new stars, which then gradually push back the remaining gas and dust.
类似于一条恒星生产线，星际间分子云瓦解产生新恒星，然后新的恒星逐渐将剩下的气体和尘埃推走。
It is well known that stars form in molecular clouds.
恒星形成于分子云环境中。
It is especially suited for the study of molecular clouds in the Milky Way.
它特别适合于研究银河系里的分子云团。
Major improvement has been made in the studies of interstellar molecular clouds and star formation.
一方面是星际分子云与恒星形成的天文研究取得了令人瞩目的成就。
The formation of giant molecular clouds (GMCs) by aggregation in a rigidly rotating disk galaxy is studied.
分析在聚合形成机制下，巨分子云在刚体自转盘中的形成过程。
The effect of spiral arm perturbation on the aggregation formation of giant molecular clouds (GMCs) is analyzed in this paper.
本文分析了在巨分子云聚合形成机制下旋臂扰动的影响。
Some discussions about how to determine the thermal equilibrium temperature of different kinds of molecular clouds are also given.
并且讨论了如何确定不同类型分子云的热平衡温度。
The eerily dark surroundings help make the interiors of molecular clouds some of the coldest and most isolated places in the universe.
周围物质的极端黑暗使这团分子云的内部变成了宇宙中最寒冷、最与世隔绝的地方。
It is not known exactly how molecular clouds like Barnard 68 form, but it is known that these clouds are themselves likely places for new stars to form.
我们现在还不是很清楚像巴纳德68这种分子云是如何形成的，但我们知道它们很可能是新恒星将形成的地方。
Though stars do form in molecular clouds, this star seems to have only accidentally wandered into the area, as its measured velocity through space is very different from the cloud's velocity.
虽然分子云中也能够形成恒星，但这颗恒星却很可能是意外闯入该区域的，因为它的空间运动速度明显与周围星云的速度不同。
Though stars do form in molecular clouds, this star seems to have only accidentally wandered into the area, as its measured velocity through space is very different from the cloud's velocity.
虽然分子云中也能够形成恒星，但这颗恒星却很可能是意外闯入该区域的，因为它的空间运动速度明显与周围星云的速度不同。
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