comets
美 [ˈkɑmət]
英 [ˈkɒmɪt] 
- n.【天】彗星;【航】彗星机
- 网络令人惊讶的彗星;慧星;彗星队
词形变化
复数:comets
英汉解释
英英解释
例句
To discover just how much water comets contain, scientists deliberately crashed a space probe straight into it.
为了探明彗星中含多少水,科学家有意让一个太空探测器直接撞向它。
The abundance of olivine in comets is well established, but it's always been a bit of a mystery how it got there.
我们已经知道,大量的橄榄石存在于彗星之上,但是它是如何上去的却依然还是个谜。
So there might be more of them in the Kuiper Belt (where comets come from) as compared with the inner solar system near the sun.
所以或许相比于太阳系内部,它们在“柯伊伯带”(彗星形成之地)比较多。
Comets are just as much members of the sun's family as(are) the other planets.
彗星和其它的行星同样是日头亲族的成员。
Some researchers think comets might have originally brought some of the water and organic molecules to Earth that now make up life here.
一些研究者认为,可能是彗星最早把水和有机分子带到了地球,发展出了现在地球上的生命。
Composed primarily of ices, most comets circle the dark fringes of the solar system, barely within the sun's gravitational grasp.
大部分彗星主要由冰块构成,环绕太阳系黑暗的边缘运行,几乎超出了太阳的引力范围。
The constant in this equation is the same for any objects orbiting around the Sun, including planets, comets and artificial satellites.
公式中常数的数值,对所有行星以至一切环绕太阳运动的人造或天然物体皆适用。
This artist's concept illustrates how silicate crystals like those found in comets can be created by an outburst from a growing star.
本艺术概念图显示一颗早期恒星如何通过初期的爆发产生硅酸盐晶体(彗星中就有发现)的。
Any school kid can tell you that comets are made of ice. That frozen water burning off is what gives comets their characteristic tails.
你随便问一个小孩他都能告诉你彗星是由冰组成的,而且冰的燃烧“给”了彗星一条长尾巴。
The comets' offspring, the meteor swarms, travel in regular orbits, similar to the earth's orbit around the sun.
彗星的后裔,即流星团,沿正常的轨道运行,与地球绕太阳运行的轨道相似。
Comets are just as much members of the sun.
彗星和其它的行星同样是太阳家族的成员。
Nemesis is not the only possible explanation for regular collisions between Earth and comets.
地球和彗星之间会产生规律的大碰撞,不一定真的是由涅墨西斯造成的。
It was compressed enough to become a protostar but enough material was left over to form planets, moons, asteroids and comets.
压力足够使之形成一颗恒星,剩下的物质形成了行星,卫星,小行星和彗星。
Our work brings to light another component in the formation that we had not anticipated - comets.
我们的工作现在揭示了我们原先没有料想的在地球和月球形成时的另外一个元素------彗星。
Some of that uncertainty comes from asteroids' sometimes forgotten cousins, comets.
上文提到的不确定性,有一部分来自于小行星那偶尔被遗忘的表兄——彗星。
Now, far beyond that as well, between the stars, with the blackness of space, the shining planets, comets, suns, and stars. . .
现在,也像是远离地球,在星际间穿梭,在漆黑的太空中,星球、彗星、太阳和星星闪烁发光…
Asteroids and comets smashing into the early Earth have long been thought to be a promising source.
一直以来人们认为海水可能来自早期坠入地球的小行星和彗星。
In Earth's formative years, it was hit by thousands of comets like this.
在地球的最初岁月中,它曾被成千上万个这样的彗星撞击。
It includes the sun, eight planets and their satellites, asteroids, comets, meteoroids and interplanetary matter.
它包括太阳、八大行星及其卫星、小行星、彗星、流星体以及行星际物质。
Some comets, called sun-grazers, smash right into the sun or get so close that they break up and evaporate.
一些被称为“掠日彗星”的彗星,会被撕碎并坠入太阳,或者由于过于靠近太阳而解体蒸发。
Scientists want to study comets because they may be the oldest objects in our solar system.
科学家之所以要研究彗星,是因为它们可能是太阳系中最古老的星球。
Comets and asteroids preserve the building blocks of the planets. And studying them up close provides clues to how planet Earth came to be.
彗星和小行星都保持着行星的基本结构,这么近距离的研究为地球是如何形成这一问题提供了线索。
OK, comets and asteroids. It might help if you think of. . . remember we talked about the two classes of planets in our solar system?
好,彗星和小行星,它们能帮到你记起…还记得我们讲过的太阳系中两类行星吗?
This discovery led to the belief that comets supplied the moon with a majority of its water back when it originally formed.
这一发现产生了一个信念------远在月球最初形成时,彗星给月球提供了大部分的水。
Comets move around the sun like planets, but in long oval course.
彗星象行星一样绕太阳运转,然而其轨道呈狭长的椭圆形。
In antiquity, comets inspired both awe and alarm, "hairy stars" resembling fiery swords that appeared unpredictably in the sky.
在古代,人们对彗星充满敬畏,认为如烧红的剑一般毫无预兆地出现在天空中的的“长发星”暗喻着警示。
Some of these comets would have slammed into Earth, causing catastrophic results to life.
其中一些彗星会冲向地球,给生物带来灾难性的后果。
the stargazers also observed comets with sparkling tails , and meteors or shooting stars apparently falling from the sky.
古代的天文学家也观察那些拖着闪亮尾巴的彗星和从天而降的流星或陨落星体。
Comets lose ice and dust each time they come near the sun, leaving behind trails of debris.
彗星每次接近太阳时,都会将一部分冰和尘埃遗留在彗尾的遗迹中。
A: The Earth has always been subject to impacts by comets and asteroids, although big hits are very rare.
答:地球经常成为彗星和小行星撞击的目标,尽管大的撞击非常罕见。
The theory was that Nemesis crashed through the Oort cloud every 27 million years and sent a shower of comets in our direction.
该理论认为涅墨西斯星球每隔2700万年会穿过奥尔特云向地球发射一大批彗星。
Asteroids classify comets based on the durations of their orbits around the sun.
天文学上把彗星按照它们的轨道周期分类。
The comet is discovered by an amateur, which until recently was how most comets were discovered.
片中的彗星是个业余爱好者发现的,这确实直到最近以来的彗星发现方式。
In the far reaches of the solar system comets range from a few km to a few hundred km across .
在太阳系的广阔空间范围里,彗星的大小一般从几千米到几十万米。
If checked, the comets near the Sun will have name labels attached.
勾选此选项的话,接近太阳的慧星会附加上名称标签。
Comets zoom through space at almost 100, 000 mph and pick up speed due to Earth's gravitational pull, he said.
他接着说,彗星以每小时近10万米的速度在宇宙迅速移动,由于地球的引力还会加速。
The Comets finally retrieved the ball and passed it to the catcher.
慧星队终于捡到球,把它扔给接球手。
Comets are often known as dirty snowballs, and consist mainly of ice and rock.
彗星一般被认为是一些脏雪球,主要由冰和岩石构成。
But he found 140 comets without a telescope. He downloaded data from the NASA SOHO satellite, and that's how he found them.
他发现的140颗彗星,并没有用望远镜,而是从NASASOHO卫星下载数据分析出来的。
Until now, it was thought that comets were the only objects that still slammed into Jupiter.
直到现在,人们都认为彗星是唯一一个还撞击木星的天体。
Comets usually arouse public interest when they are large and bright enough to attract attention and receive mention in the newspapers.
通常是当彗星又大又亮,足以引起注意并刊登在报纸上时,才引起公众的兴趣。