interstellar cloud meaning in Chinese

星际星云
星际云

The paramount task here facing observational astronomy is to study real interstellar clouds .
实测天文学在这里所面临的头等任务是研究实际的星际云。
Collapsing interstellar cloud reverses its gravitational infall and expands outward into the relatively quiescent interstellar environment .
坍缩的星际云克服向内的引力而向外膨胀到较宁静的星际环境中去。
If undisturbed , the interstellar clouds will not have qualitative changes at all . however , disturbance does occur
在不受干扰的情况下，这些星际云可以千载不变。
Interstellar clouds could be extremely large and massive , up to thousand of light years in diameter and from 10 to 1000
星际云可以极度大和拥有极大质量，直径可达一千光年，质量相等于十个至一千个
Before the interstellar cloud contracts , it was very cold and dim . thus , the cloud is represented by a point at the right in the h - r diagram
在星际云收缩之前，它非常冰冷，所以在这个阶段，星际云会位于赫罗图上一个极右的位置。

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