Although you will never touch them, if you reach hard enough, you will find that you get a little star dust on you in the process.
尽管你永远也不会触及他们，但如果你真的努力了的话，你就会发现在这个过程中你还是摸到了些星尘的。
Planets form from a disk of gas and dust swirling around a young star.
行星是由围绕着年轻恒星旋转的气体和灰尘的盘状物所组成。
Dust is nowhere near as hot as a star, therefore optical telescopes cannot observe it.
尘埃温度远不及恒星，所以光学望远镜难以观测到。
The interstellar cloud of gas and dust is an active star-forming region.
由气体和尘埃组成的星系云是一个恒星形成的活跃区域。
The interstellar cloud of gas and dust is an active star-forming region.
由气体和尘埃组成的星系云是一个恒星形成的活跃区域。
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