Larger projectors also include comets and a far greater selection of stars.
And they then become the comets as we see them in the sky.
The comets orbital path travels closer than we anticipated.
They were stars, I knew, and flaring comets, that peopled my flight among the suns.
我知道是这些星辰和闪烁的慧星遍布在我飞行恒星之间的航程中。
But asteroids and comets are not the only deep space threats.
但小行星和彗星却不是仅有的太空危险之源。
We need a dedicated observatory that looks for comets.
我们需要有个专人看管的天文台专门寻找彗星。
Others became asteroids, comets and smaller meteoroids.
其他人成为了小行星、彗星和更小的陨石。
The problem is even worse with short-period comets.
这个问题对短周期彗星来说就更严重。
Comet dust can provide clues to comets' origin.
彗星塵可以提供彗星起源的線索。
It is proposed as a source of long-period comets.
它是长周期彗星的发源地。
Most stars probably have their quota of planets, meteorids, comets, and asteroids.
多数恒星也许还拥有若干行星、流星、彗星和小行星。
The night sky is occasionally host to the transient visitors known as comets and meteors.
夜空有时还接待如彗星和流星那样的过路来访者。
You might have certain comets which are programmed to bring life.
可能有些彗星是旨在带来生命。