2. The most obvious advantage is that'because of their inability to scatter appreciably,
nebular radio waves completely and genuinely delineate the distribution of
nebular gas.
因为星云对射电波的散射很小，所以最明显的优点就是能够全面而真实地勾画出星云气体分布的外貌。
3. This whole galaxy menagerie is seen through the faint
nebular glow of the Integrated Flux Nebula, a little studied complex of diffuse gas and dust clouds in our Milky Way Galaxy.
这整个星系展览是通过昏暗的炽热星云—共同照耀星云看到的，它是我们银河系内的一个较少研究的复杂漫射气体尘埃云。
