This is where some comets come from.

这就是来源。

What are they saying about the comet?

他们是怎么说?

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

噢! 哈哈，是。

I hope you enjoyed learning about comets today.

希望你喜欢今天关于介绍。

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

这颗最佳观测时间是清晨。

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

1910年哈回归是非常棒一件事情。

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

哈轨道离心率约为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.

是你要上来看什么笨汉堡王。

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

这颗子上 有一个非常有趣裂缝。

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？

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

尽管如此他表示这颗证据对他很明朗。

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

我想用这张这颗照片 来结束今天演讲。

Now, how did we get to the comet?

我们是怎么到达这颗呢？

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

冰开始升华，也就是直接变成了气体。

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

人们不用设备就能看到头部。

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

情况会不会是，当我们揭开面纱之后，它们就不会那么神秘了？

Comet ISON has flared so bright in recent days that it's now visible with the naked eye.

最近爱森光非常耀眼，人们凭肉眼就能看到。

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

苏梅克-列维九号碎片在六天时间里撞击木。

Also in the pod, " I am afraid it's not looking great. It looks like it's fading away."

下一则消息，“恐怕情况不妙。亮度在逐渐下降。”