This is where some comets come from.

这就是的来源。

What are they saying about the comet?

他们是怎么说的?

So this is the activity of the comet.

所以这就是这颗的活动。

Oh! Oh, like Halley's comet. Exactly.

噢! 哈的哈，是的。

The comet will be best seen in the early morning hours.

这颗的最佳观测时间是清晨。

Halley's Comet follows a path with an eccentricity of approximately 0.97.

哈的轨道的离心约为0.97。

There's a small chance it could even be faintly visible in daylight.

在白天连勉强看到的几小。

You wanted to come up here and look for some stupid Burger King comet.

是你要上来看什么笨汉堡王的。

There is a very intriguing crack in the neck of the comet.

这颗的脖子上 有一个非常有趣的裂缝。

The comet's ice begins to sublimate, or turn directly into gas.

的冰开始升华，也就是直接变成了气体。

How do you find a comet in the sky? How do you spot one?

你是如何在天空中发现、辨认的？

The 1910 return of Halley’s Comet was particularly great one.

1910年哈的回归是非常棒的一件事情。

He said, though, the evidence of this comet strike is clear to him.

尽管如此他表示这颗的证据对他明朗。

Comet Halley's water is similar to that on Earth.

哈的水相似于地球。

Now, how did we get to the comet?

我们是怎么到达这颗的呢？

People have been able to see the head of the comet without the use of equipment.

们不用设备就能看到的头部。

This icy material is similar to that of which the newly formed comets were composed.

这种冰物质与新形成的组成的冰物质相似。

Pieces of Comet Shoemaker–Levy 9 strike Jupiter over the course of six days.

苏梅克-列维九号的碎片在六天的时间里撞击木。

With this image of the comet, I would like to leave you.

我想用这张这颗的照片 来结束今天的演讲。

Is there a sense that as we lift the veil, they'll become less mysterious?

情况会不会是，当我们揭开的面纱之后，它们就不会那么神秘了？