This is where some comets come from.

这就是彗星来源。

What are they saying about the comet?

他们是怎说彗星?

So this is the activity of the comet.

所以这就是这颗彗星活动。

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

噢! 哈雷彗星哈雷，是。

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

这颗彗星观测时间是清晨。

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

哈雷彗星轨道离心率约为0.97。

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

在白天连勉强看到彗星几率都很小。

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

是你要上来看汉堡王彗星。

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

这颗彗星脖子上 有一个非常有趣裂缝。

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

彗星冰开始升华，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彗星、辨认彗星？

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

1910年哈雷彗星回归是非常棒一件事情。

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

尽管如此他表示这颗彗星证据对他很明朗。

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

哈雷彗星水相似于地球。

Now, how did we get to the comet?

我们是怎到达这颗彗星呢？

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彗星头部。

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

这种冰物质与新形成彗星组成冰物质相似。

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

苏梅克-列维九号彗星碎片在六天时间里撞击木星。

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

我想用这张这颗彗星照片 来结束今天演讲。

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

情况会不会是，当我们揭开彗星面纱之后，它们就不会那神秘了？