如果我们有岩石样本用于研究，我们就能知道，这些小陨石坑是在行星形成的最后阶段被撞击形成的，还是后来的流星雨造成的。
If we had rock samples to study, we'd know whether these small craters were formed by impacts during the final stages of planetary formation, or if they resulted from later meteor showers.
10月7日至8日将迎来天龙流星雨。
天文学家如何预示流星雨？
流星雨是当地球经过彗星的轨道时产生的。
The shower is caused when the Earth passes through a trail of debris left by comet Thatcher (C/1861 G1).
当彗星偶尔优雅划过天际的时，我们还能看到流星雨。
We have meteor showers. They can be the occasional comet that can grace the sky.
在狮子座流星雨之前与之后都有零星的流星。
The Leo meteor shower was preceded and followed by scattered shooting stars.
光污染使星座、流星雨甚至行星都变得模糊不清，遮蔽了我们的视线。
Light pollution has obscured our view of constellations, meteor showers, and even the planets.
但这一显着的看法，抓获宇航员朗伽蓝看起来在英仙座流星雨。
But this remarkable view captured by astronaut RON Garan looks down on a Perseid meteor.
流星雨是地球在绕太阳运行的轨道上穿过微粒和尘埃团时产生的。
Meteor showers occur when Earth orbits through clouds of particles and dust on its path around the sun.
流星雨的来源位于织女星的附近一颗明亮的星，它很容易被找到。
The radiant, or source, of the shower is located near Vega, a bright star which is hard to miss.
彗星会在经过的地方留下一些碎片，这些碎片可以引起地球上的流星雨现象。
Comets leave a trail of debris behind them that can lead to meteor showers on Earth.
流星雨只是慧星经过的残留物、或偶而也是来自破碎陨石的碎片。
Meteor showers are just the debris of a passing comet or sometimes the debris from a fragmented asteroid.
流星雨是哈雷彗星在穿越地球大气层时掉落的碎片在汽化而成的。
The meteors are debris from this comet that enter Earth's atmosphere and vaporize as they fall.
天王星的环都很高，薄，并且不向大气层下流星雨，不像土星一样。
Uranus's rings are also high, thin and not showering the atmosphere below with a hail of meteors, unlike Saturn's.
你要感谢木星，是它的巨大的引力把今年的流星雨变成了流星暴雨。
You can thank Jupiter and its intense gravity for turning this year's meteor shower into a meteor hurricane.
有些人纯粹被这光的强度所惊恐，而另一些则认为他们看到了一场罕见的流星雨。
Some were even left frightened by the sheer intensity of the display, while many thought they were seeing a rare meteor shower.
提醒下，在没有月亮的天空，我们大约能够看到20颗流星雨每小时。
Remember, the absence of the moon may enable you to see up to 20 Orionid meteors per hour.
据广东天文学会预告，今年猎户座流星雨高峰期将发生在21日午夜及黎明时分。
This year's Orionid meteor shower will peak between the hours of midnight and dawn on the morning of October 21, according to the Astronomical Society of Guangdong.
同往年一样，观看这次流星雨的最佳时间实在午夜及黎明前的这段时间内。
As usual, the best time to watch this shower will be between the hours of midnight and dawn.
观众发现，平均每集《流星雨》要出现四到五个不同的商品广告，几乎每5分钟一次。
In Meteor Shower, observers have counted an average of four or five different products in one single episode, appearing almost every five minutes.
即使在洛杉矶轻微污染的天空观看流星雨就够倒霉了，更别提在多云的英国了。
I've had terrible luck spotting shooting stars in the light polluted LA skies, let alone cloudy British skies.
佛山市气象学会专家表示，13日零时至天亮前，我国大部分地区可观测到英仙座流星雨。
The Perseid meteor shower is expected to put on a good show during the early hours of Thursday morning in most parts of China, experts of Foshan Meteorological Institute said.
双子座流星雨是由于地球穿过3200Phaethon彗星的轨道而造成的。
The Geminids are caused by the Earth crossing the debris-strewn path of the extinct comet 3200 Phaethon.
朝天空中远离月亮和狮子座最黑的地方看，是今夜观察狮子座流星雨的最好办法。
The best way to view the Leonids is to face the darkest part of the sky, away from the moon and the constellation of Leo.
据我国天文学家预测，6日清晨，如果天色晴朗，我国大部分地区均可目睹到宝瓶座流星雨。
People across the country are likely to spot the Aquarius meteor showers early Wednesday, astronomers forecast.
天文学家对本周的象限仪座流星雨进行了观测，然而他们更多的是沉醉在星光之下，而非忧虑。
Though as stargazers look up at the sky for this week's Quadrantid meteor shower, they are more likely to enjoy the beauty of the sight than feel anxious.
当狮子座流星雨像是从狮子座方向来飞来的时候，事实上天空中的任何地方都能看到这些流星。
While Leonid meteors appear to rain from the constellation of Leo the Lion, they can actually be viewed in all parts of the sky.
关于流星雨的首要经验就是，你看到的流星绝对不是彗星最近一次略过时留下的残骸。
A general rule of thumb with meteor showers is that you are never watching remnants from a comet's most recent orbit.
这是因为一场大概是40亿年前的流星雨使贵金属布满了地球表层。一项自然杂志的研究如是说。
Because it appears that a rain of meteors nearly 4 billion years ago peppered the Earth's exterior with precious metals.
在比较理想的条件下，每小时10——20颗流星雨可以看到；但是专家们说观测条件变化比较大。
Between 10 and 20 meteors per hour can be visible under ideal conditions; but experts say the shower is fickle.
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