comets
美 [?kɑm?t]
英 [?k?m?t] 
- n.【天】彗星;【航】彗星機
- 網(wǎng)絡(luò)令人驚訝的彗星;慧星;彗星隊
詞形變化
復(fù)數(shù):comets
英漢解釋
英英解釋
例句
To discover just how much water comets contain, scientists deliberately crashed a space probe straight into it.
為了探明彗星中含多少水,科學(xué)家有意讓一個太空探測器直接撞向它。
The abundance of olivine in comets is well established, but it's always been a bit of a mystery how it got there.
我們已經(jīng)知道,大量的橄欖石存在于彗星之上,但是它是如何上去的卻依然還是個謎。
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.
所以或許相比于太陽系內(nèi)部,它們在“柯伊伯帶”(彗星形成之地)比較多。
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樣是日頭親族的成員。
Some researchers think comets might have originally brought some of the water and organic molecules to Earth that now make up life here.
一些研究者認為,可能是彗星最早把水和有機分子帶到了地球,發(fā)展出了現(xiàn)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塊構(gòu)成,環(huán)繞太陽系黑暗的邊緣運行,幾乎超出了太陽的引力范圍。
The constant in this equation is the same for any objects orbiting around the Sun, including planets, comets and artificial satellites.
公式中常數(shù)的數(shù)值,對所有行星以至一切環(huán)繞太陽運動的人造或天然物體皆適用。
This artist's concept illustrates how silicate crystals like those found in comets can be created by an outburst from a growing star.
本藝術(shù)概念圖顯示一顆早期恒星如何通過初期的爆發(fā)產(chǎn)生硅酸鹽晶體(彗星中就有發(fā)現(xiàn))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.
你隨便問一個小孩他都能告訴你彗星是由冰組成的,而且冰的燃燒“給”了彗星一條長尾巴。
The comets' offspring, the meteor swarms, travel in regular orbits, similar to the earth's orbit around the sun.
彗星的后裔,即流星團,沿正常的軌道運行,與地球繞太陽運行的軌道相似。
Comets are just as much members of the sun.
彗星和其它的行星同樣是太陽家族的成員。
Nemesis is not the only possible explanation for regular collisions between Earth and comets.
地球和彗星之間會產(chǎn)生規(guī)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.
壓力足夠使之形成一顆恒星,剩下的物質(zhì)形成了行星,衛(wèi)星,小行星和彗星。
Our work brings to light another component in the formation that we had not anticipated - comets.
我們的工作現(xiàn)在揭示了我們原先沒有料想的在地球和月球形成時的另外一個元素------彗星。
Some of that uncertainty comes from asteroids' sometimes forgotten cousins, comets.
上文提到的不確定性,有一部分來自于小行星那偶爾被遺忘的表兄——彗星。
Now, far beyond that as well, between the stars, with the blackness of space, the shining planets, comets, suns, and stars. . .
現(xiàn)在,也像是遠離地球,在星際間穿梭,在漆黑的太空中,星球、彗星、太陽和星星閃爍發(fā)光…
Asteroids and comets smashing into the early Earth have long been thought to be a promising source.
一直以來人們認為海水可能來自早期墜入地球的小行星和彗星。
In Earth's formative years, it was hit by thousands of comets like this.
在地球的最初歲月中,它曾被成千上萬個這樣的彗星撞擊。
It includes the sun, eight planets and their satellites, asteroids, comets, meteoroids and interplanetary matter.
它包括太陽、八大行星及其衛(wèi)星、小行星、彗星、流星體以及行星際物質(zhì)。
Some comets, called sun-grazers, smash right into the sun or get so close that they break up and evaporate.
一些被稱為“掠日彗星”的彗星,會被撕碎并墜入太陽,或者由于過于靠近太陽而解體蒸發(fā)。
Scientists want to study comets because they may be the oldest objects in our solar system.
科學(xué)家之所以要研究彗星,是因為它們可能是太陽系中最古老的星球。
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著行星的基本結(jié)構(gòu),這么近距離的研究為地球是如何形成這一問題提供了線索。
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,它們能幫到你記起…還記得我們講過的太陽系中兩類行星嗎?
This discovery led to the belief that comets supplied the moon with a majority of its water back when it originally formed.
這一發(fā)現(xiàn)產(chǎn)生了一個信念------遠在月球最初形成時,彗星給月球提供了大部分的水。
Comets move around the sun like planets, but in long oval course.
彗星象行星一樣繞太陽運轉(zhuǎn),然而其軌道呈狹長的橢圓形。
In antiquity, comets inspired both awe and alarm, "hairy stars" resembling fiery swords that appeared unpredictably in the sky.
在古代,人們對彗星充滿敬畏,認為如燒紅的劍一般毫無預(yù)兆地出現(xiàn)在天空中的的“長發(fā)星”暗喻著警示。
Some of these comets would have slammed into Earth, causing catastrophic results to life.
其中一些彗星會沖向地球,給生物帶來災(zāi)難性的后果。
the stargazers also observed comets with sparkling tails , and meteors or shooting stars apparently falling from the sky.
古代的天文學(xué)家也觀察那些拖著閃亮尾巴的彗星和從天而降的流星或隕落星體。
Comets lose ice and dust each time they come near the sun, leaving behind trails of debris.
彗星每次接近太陽時,都會將一部分冰和塵埃遺留在彗尾的遺跡中。
A: The Earth has always been subject to impacts by comets and asteroids, although big hits are very rare.
答:地球經(jīng)常成為彗星和小行星撞擊的目標(biāo),盡管大的撞擊非常罕見。
The theory was that Nemesis crashed through the Oort cloud every 27 million years and sent a shower of comets in our direction.
該理論認為涅墨西斯星球每隔2700萬年會穿過奧爾特云向地球發(fā)射一大批彗星。
Asteroids classify comets based on the durations of their orbits around the sun.
天文學(xué)上把彗星按照它們的軌道周期分類。
The comet is discovered by an amateur, which until recently was how most comets were discovered.
片中的彗星是個業(yè)余愛好者發(fā)現(xiàn)的,這確實直到最近以來的彗星發(fā)現(xiàn)方式。
In the far reaches of the solar system comets range from a few km to a few hundred km across .
在太陽系的廣闊空間范圍里,彗星的大小一般從幾千米到幾十萬米。
If checked, the comets near the Sun will have name labels attached.
勾選此選項的話,接近太陽的慧星會附加上名稱標(biāo)簽。
Comets zoom through space at almost 100, 000 mph and pick up speed due to Earth's gravitational pull, he said.
他接著說,彗星以每小時近10萬米的速度在宇宙迅速移動,由于地球的引力還會加速。
The Comets finally retrieved the ball and passed it to the catcher.
慧星隊終于撿到球,把它扔給接球手。
Comets are often known as dirty snowballs, and consist mainly of ice and rock.
彗星一般被認為是一些臟雪球,主要由冰和巖石構(gòu)成。
But he found 140 comets without a telescope. He downloaded data from the NASA SOHO satellite, and that's how he found them.
他發(fā)現(xiàn)的140顆彗星,并沒有用望遠鏡,而是從NASASOHO衛(wèi)星下載數(shù)據(jù)分析出來的。
Until now, it was thought that comets were the only objects that still slammed into Jupiter.
直到現(xiàn)在,人們都認為彗星是唯一一個還撞擊木星的天體。
Comets usually arouse public interest when they are large and bright enough to attract attention and receive mention in the newspapers.
通常是當(dāng)彗星又大又亮,足以引起注意并刊登在報紙上時,才引起公眾的興趣。