There were streaks of gray in his mane of tawny hair and his bushy eyebrows; he had keen yellowish eyes behind a pair of wire-rimmed spectacles and a certain rangy, loping grace even though he walked with a slight limp.

他茶褐色头发和浓密眉毛里夹杂着缕缕灰色，金丝边眼镜后面是一双锐利黄眼睛，尽管腿有点瘸，但走起路来却有一种步流星潇洒。

When Earth passes through a stream of this debris shed by a comet, the particles burn up in our atmosphere, and we see a meteor shower.

当地球穿过彗星散落一连串碎片时产生摩擦，这些微粒就在气中燃烧起来，这就是看到流星雨。

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

科学家说这颗流星直径可能只有几米。

The snow crackled under foot, as if one had new boots on; and one falling star after the other was seen in the sky.

脚下雪发出咯吱咯吱声音，好像人穿上新靴子踩在上面。天上流星一个接着一个从上空划过。

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

研究人员表示，超过90%流星体会完全燃烧。

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

这就好比恐龙每年给巨流星补贴成百上千亿路费来撞地球。

The Earth passes through that debris in April and the shooting stars that are really Thatcher's meteors burn up in our atmosphere.

地球在四时候穿过那些陨石碎片，也就是在气层中燃烧流星实际上是Thatcher彗星带来。

Shooting stars down in Kent - I'll bet that was Dedalus Diggle.

肯特郡下那场流星雨— 敢说准是迪歌干。

For observers on Earth who happen to catch it at the right time it looked like this, a series of shooting stars.

对于地球上在适宜时间观测到流星雨人来说，它看上去是这个样子，能看到许多流星。

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

绝多数流星体都很小，而且容易在气层中燃烧。

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

如果你选是流星雨，请举手示意。

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

如果一颗巨流星坠落地球会发生什么呢？

Now, most meteoroids burn up entirely as meteors.

现在，流星体部分完全燃烧成流星。

The Harlem Shake memes and a meteor that hit Russia.

哈林摇舞步正在兴起，还有撞击俄罗斯流星。

One such was observed, as Denis Vida of the University of Western Ontario told the meeting, by a programme called the Meteorite Observation and Recovery Project, which watches for meteors over Alberta, in western Canada.

正如西安略学丹尼斯·维达在会上所说那样，观测加拿西部艾伯塔省上空“陨石观测和回收项目”就观测到了这样流星。

It influences the courses of comets and even some meteors and asteroids, so that over the NEOs the effect of Jupiter is there, helps takes care what comes near the solar system.

它影响到慧星，甚至一些流星和小行星路线，因此通过施加在近地物体上作用，帮助照顾太阳系附近物体。

It says, to the people of Chelyabinsk, the meteors shown 30 times brighter than Sun and had twenty to thirty times more energy than the atomic bomb dropped on Hiroshima.

它说，对车里雅宾斯克人来说，流星亮度比太阳亮30倍，能量是掉落在广岛原子弹二十到三十倍。

He had been riding one of the school brooms at team practice, an ancient Shooting Star, which was very slow and jerky; he definitely needed a new broom of his own.

在球队练习时候，他骑过学校一把扫帚，那是一把古老流星，又慢又播晃；他肯定需要有一把自己新扫帚。

We'll get to see beautiful meteor showers lighting up the sky, but we'll also be at risk with colliding with some of those meteors, so let's keep moving.

将看到美丽流星雨照亮天空，但也会面临与一些流星相撞风险，所以让继续前进。

If you're under 10 meters in diameter you hit the Earth's atmosphere you burn up, big blue streak, green streak white streak and then humans make wishes upon you.

假设你是直径小于10米小行星，在击中地球气层后，你就会燃烧起来，形成蓝色，绿色和白色流星，然后人就会对着你许愿。