A meteor that scientists say was probably a few meters across.

科学家说颗流星的直径能只有几米。

These are meteor showers that occur in different parts of the year.

些都是发生在一年中不同时间的流星雨的名字。

Now that we've got the science of asteroids and meteors down pat, let's get right to the terrible topic.

既然我们已经掌握了小行星和流星的科学知识，让我们直接进入怕的话题吧。

Here's why this is happening. There's a comet named Thatcher.

下面来解释一下发生天座流星雨的原因。有一颗名“佘契尔”的彗星。

What would happen if a giant meteor came crashing down to Earth?

如果一颗巨大的流星坠落地球会发生呢？

What would happen if a giant meteor hit Earth?

如果一颗巨大的流星撞击地球会发生呢？

Researchers say more than 90 percent of them burn up completely.

研究人员表示，超过90%的流星体会完全燃烧。

So where do meteoroids like this come from?

那像样的流星体是从哪里来的呢？

The Harlem Shake memes and a meteor that hit Russia.

哈林摇舞步正在兴起，还有撞击俄罗斯的流星。

We get questions here all the time about comets asteroids and meteors, meteorites.

我们总是收到很多有关彗星、小行星、流星，陨石的问题。

It's the first meteor shower of Spring.

天座流星雨是春季的第一场流星雨。

I was amazed when I saw the phenomenon of shooting stars.

当我看到流星的现象时 我感到很惊讶。

That would take something highly dramatic like, oh, I don't know, a massive meteor.

要真正地毁灭还是得需要一些突发情况，比如说巨大的流星。

If one of these rocks hit's the earth's atmosphere, it becomes a meteor. That's also known as a shooting star.

如果其中一块岩石撞上了地球大气层，它就会变成流星。Shooting star是流星的另一种说法。

The annual Perseid meteor shower is about to reach its peak.

一年一度的英仙座流星雨将达到高峰期。

Imagine if we had spent hundreds of billions per year subsidizing giant meteors.

就好比恐龙每年给巨大的流星补贴成百上千亿的路费来撞地球。

The American Meteor Society says the best time for viewing it will probably be between midnight and 5 a.m.

美国流星协会表示，观赏流星雨的最佳时间午夜至凌晨5点之间。

Shower me with a show of hands if you set meteor showers.

如果你选的是流星雨，请举手示意我。

If it doesn't make its way all the way down to the surface it turns into a shooting star.

如果它没落在地面就是我们所说的流星。

The vast majority of meteoroids are small and tend to burn up in our atmosphere.

绝大多数的流星体都很小，而且容易在大气层中燃烧。