It is said that there will be a rare cometary meteor shower tonight.

据说今晚会有一场罕见的彗星流星雨。

During his doctorate, he mainly studied cometary physics.

他在博士就读期间主要研究彗星物理学。

Cometary Nebula got its name because it is shaped like a comet.

彗状星云因形状像彗星而得名

We are analyzing Stardust cometary samples.

我们正在分析星尘号的彗星样品。

So the cometary dust work had to take priority.

也因此彗星尘埃的工作获得了优先。

NASA appears to know something about this red cometary orb.

美国宇航局似乎知道这个红色慧星天体的东西。

The cometary ejection play a crucial role in formation and evolution of the meteoroid stream.

彗星的喷发速度在流星群的演化过程中起着重要作用。

Energetic light from this star is eating away the dust of the dark cometary globule at the top right the image.

从这颗恒星发出的高能光线正把途中右上角的黯淡的彗星似的小球体中的尘埃消灭掉。