Folklore often links a comet to omens or changes in destiny.
The space probe transmitted valuable information about the comet's composition.
It is the first probe ever designed to enter orbit around a comet's nucleus and release a lander onto its surface.
它是第一个为进入慧星核的轨道并向其表面释放一着陆器而设计的探测器。
Astronomers tracked the path of the comet as it approached our planet.
天文学家在彗星接近地球时一路跟踪观测它的运行轨迹。
Landing a probe on the distant comet was a towering achievement for scientists worldwide.
在遥远彗星上着陆探测器是全世界科学家的非凡成就。
A comet is an icy body that releases gas or dust.
彗星是一个释放着气体和尘埃的冰质天体。
Its parent is a previously unknown long-period comet.
其先前的母體是一顆未知的長週期彗星。
Found their way here by comet and meteorite.
在这里找到自己的方式 彗星和陨石。
It's the first ever landing on a comet.
这是第一次有航天器在彗星上着陆。
We navigated by looking at landmarks on the comet.
我们通过观察彗星上的地标来导航。
Another comet might crash into it and...
另一个彗星也许会撞击到它 而且...
So it's a very fresh comet.
所以这是一颗非常新的彗星。
It will be first ever landing on a comet.
这将是它首次在彗星登陆。