The orbit of this comet intersects the orbit of the Earth.
这颗彗星的轨道和地球的轨道相交。
We were not altogether sure that the comet would miss the Earth.
我们不太确定这颗彗星是否会错过地球。
I can hardly wait to see the new comet.
我迫不及待地想看到那颗新的彗星。
They combine with dust particles from the comet to form a huge cloud.
它们与来自彗星的尘埃颗粒结合在一起，形成了巨大的云团。
Watch a comet, where is it going?
观察一颗彗星，它将往何处去？
Why is the comet like Micky Mouse?
为什么说彗星像米老鼠？
Why is the comet like Mickey Mouse?
为什么说彗星像米老鼠？
The solar system has one less comet.
太阳系又少了一颗彗星。
In that way, Pluto ACTS like a comet.
也就是说，冥王星的行为像一个彗星。
It was last night that I saw the comet.
就是在昨晚，我看到了彗星。
The comet will appear in the southern sky.
彗星出现在南方的天空。
That comet is invisible to the unaided eye.
那颗彗星只用肉眼是看不到的。
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。
它是一颗彗星吗？
So you might say, in essence, this is his comet.
所以你可能会说，在本质上，这是他的彗星。
If no accident, it will be my first SOHO-comet.
如果不出意外，它将成为我的第一颗拥有发现权的SOHO彗星。
The craft will in effect become a man-made comet.
该飞船将事实上成为一个人造的彗星。
This has never been seen before in a comet-like object.
这种景象从未在类似彗星的观测过程中出现过。
If I had binoculars, I could see that comet clearly.
如果我有望远镜，我就可以清楚地看见那颗彗星。
We can see comet only when they come close to the earth.
只有当彗星接近地球时，我们才能看得见它们。
How do you find a comet in the sky? How do you spot one?
你是如何在天空中发现彗星、辨认彗星的？
The tail lengths of comet were used to measure DNA damage.
以彗星尾长作为DNA损伤程度的评价指标。
This was the first time ocean-like water was detected in a comet.
这是首次在彗星上检测到有海洋般的水。
A huge comet is approaching the Earth and will be visible for a few weeks.
一颗巨大的彗星正在接近地球，几周内都可以看到。
The comet image analysis software was a good tool for SCGE comet analysis.
彗星图像分析软件为SCGE的结果分析提供了便利。
Then, suddenly, an idea, shining and new, flashed like a comet through her brain.
接着，一个崭新的念头像颗彗星似的突然在她脑子里掠过。
Comet-Like Planet to Disappear?
彗星样的行星会消失吗？
Comet-Like Planet to Disappear?
彗星样的行星会消失吗？
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