所以农业的扩张很可能对地球大气的组成产生深远的影响。
So the spread of agriculture could very well have a profound effect on the composition of Earth's atmosphere.
科学家们认为在大气层下存在着一层由碳和氧组成的稀薄地壳。
Under the atmosphere, scientists think there is a very thin crust of carbon and oxygen.
木星的行星有非常厚的大气层，且由不同数量的氢、氦、甲烷和氨等元素组成。
The Jovian planets have very thick atmospheres consisting of varying amounts of hydrogen, helium, methane, and ammonia.
通过研究过滤后的恒星光，天文学家确定该行星大气的组成，以及气体被吹入太空的方向以及速率。
By studying the filtered starlight, astronomers can determine such a planet's atmospheric composition and also the direction and velocity that any gas lost to space is moving.
科学家认为在大气圈内，存在着由碳和氧较重元素组成的壳层。
Under the atmosphere, scientists think there is a very think crust of carbon and oxygen.
大气棕色云主要是由人们燃烧生物质和化石燃料产生的炭黑(悬浮的碳颗粒)组成的。
Atmospheric brown clouds are made up mostly of soot - suspended carbon particles - produced by people burning biomass and fossil fuels.
厚厚的氮气组成的大气层你弥漫着烟雾和云。
The thick nitrogen atmosphere holds fog, mist, smoggy haze and rain clouds.
我们的主要矿物燃料包括——煤，石油和汽油——他们的组成成分都包括碳，它已经在我们的地球积压了数百万年，我们现在将它使用和燃烧，让它快速的归还到大气中。
Our main fossil fuels — coal, petroleum and gasoline — are made up of carbon that has been compressed in the Earth for millions of years and we're now burning and rapidly restoring to the atmosphere.
当然，由水汽组成的云彩取决于是否有和地球相同的大气层，用现有设备无法检测到这样远距离的星球。
Of course, clouds of water vapor depend on the presence of an atmosphere similar to Earth's, something that can't be detected on such distant planets with current instruments.
土卫六拥有浓厚的大气层和疯狂世界似的气候特征：有毒的风和由碳氢化合物组成的雨水。同时，土卫六海充满着各种复杂的化学成份和有机分子。
Titan, with a thick atmosphere and a bizarro-world form of weather featuring toxic winds and hydrocarbon rain, is home to a mix of complex chemistry, complete with organic molecules.
虽然组成地球大气78%的氮是一种惰性气体，但它却有多种化学式。
Nitrogen, which, makes up about 78% of the Earth's atmosphere, is an inert gas but it has more reactive forms.
与高层大气臭氧层不同的是，地面的臭氧是光化学烟雾的一个主要组成部分。
Ozone at ground level - not to be confused with the ozone layer in the upper atmosphere - is one of the major constituents of photochemical smog.
相反，TrES - 2b的大气层由气态钠、钾和三氧化钛这些可以吸收光线的化学物质组成，不过这也并不能为该行星极黑提供解释。
Instead, it has an atmosphere made up of chemicals such as vaporized sodium, potassium and gaseous titanium oxide, which absorb light, but that still does not explain the planet's extreme blackness.
这颗行星有相对较薄的大气层，主要由氮气和氧气组成。
The planet has a relatively thin atmosphere composed mostly of nitrogen and oxygen.
对于这种重要有氢气组成的大气，它一定充满着类似金星之上的一层厚厚的云层。
For such an atmosphere to be made mostly of hydrogen, it must be topped by a thick layer of clouds like the atmosphere of Venus.
磁暴还会对高层大气存在加热作用，改变其密度计组成，中断无线电通信与GPS装置。
Magnetic storms also heat the upper atmosphere, changing its density and composition and disrupting radio communications and GPS units.
如果一个由岩石组成的行星足够的大——比方说，质量是地球的10倍——它可以吸收如此多的氢，以至于他的大气层最终会形成大部分的行星。
If a rocky planet is big enough - say, 10 times the mass of Earth - it can vacuum up so much hydrogen that its atmosphere ends up constituting most of the planet.
氮循环的一个关键组成部分就是——在大气中，将纯净的氮固定为成含氮化合物的形式——这或多或少要完全依赖于生物(闪电仅起一点儿作用)。
One crucial part of this cycle-the fixing of pure nitrogen from the atmosphere into useful nitrogen-containing chemicals-depends more or less entirely on living things (lightning helps a bit).
虽然海洋蒸发的水蒸气是水循环中地球表面到大气这一渠道的首要组成部分，植物蒸腾所占的部分也颇为惊人。
While evaporation from the oceans is the primary vehicle for driving the surface-to-atmosphere portion of the hydrologic cycle, transpiration is also significant.
平流层大气包含臭氧层，臭氧层由紫外线照射导致的三个氧原子结合成的臭氧分子组成。
The still air of the stratosphere contains the ozone layer, which was created when ultraviolet light caused trios of oxygen atoms to bind together into ozone molecules.
更糟的是，金星大气是一层裹热毯，密度比地球大气高93倍，并且主要由二氧化碳和二氧化硫组成。
Making problems much worse for Venus, its atmosphere is a thermal quilt, 93 times denser than Earth's and made up mostly of carbon dioxide and sulfur dioxide.
太阳大气则由光球层、色球层、过渡区和日冕组成。
The solar atmosphere above that consists of the photosphere, chromosphere, a transition region and the corona.
根据量子力学的原理，真空里绝非空无一物，它更有点像是一个滚动的、沸腾的以及由逐渐消散的粒子组成的大气锅。
According to quantum mechanics, empty space is anything but empty. Rather, it is a roiling, seething cauldron of evanescent particles.
天文学家们已经能够探查出有一些外行星周围有大气，包括HD 189733 b -第一批外星语命名的行星，使它的大气被吸入来测定它的组成。
Astronomers have been able to detect the atmospheres around several exoplanets, including HD 189733b-one of the first alien words to have its atmosphere sniffed to determine its composition.
现在通过新的测量方式测得这颗行星的大气既非有稠密超热的蒸汽组成，亦非由剧毒的氢气云团组成。
Now new measurements show that GJ 1214b's atmosphere is made of either dense, ultrahot steam or a noxious, cloudy haze of hydrogen.
现在通过新的测量方式测得这颗行星的大气既非有稠密超热的蒸汽组成，亦非由剧毒的氢气云团组成。
Now new measurements show that GJ 1214b's atmosphere is made of either dense, ultrahot steam or a noxious, cloudy haze of hydrogen.
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