现在很容易了解获得和保持厚氮大气的条件。
The conditions for acquiring and retaining a thick nitrogen atmosphere are now readily understood.
部分原因似乎是热空气从楼宇密集的表面上升，造成城市大气的更大湍流。
The cause appears to be in part greater turbulence in the urban atmosphere as hot air rises from the built-up surface.
还有人认为，注入大气的火山灰保护地球免受太阳辐射，并开启了一段冰河时代。
Still others argue that volcanic dust injected into the atmosphere shields Earth from the Sun's rays and initiates an ice age.
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.
如果高纬度地区的冰原和冻结的水得到补充，更多的光将被反射回太空，从而减缓海洋和大气的变暖。
If you replenish the ice sheets and frozen waters of the high latitudes, more light will be reflected back into space, so reducing the warming of the oceans and atmosphere.
这个谜题的答案在于早期光合生命形式的新陈代谢活动，这种活动缓慢但一定改变了地球大气的化学成分。
The answer to this riddle lies in the metabolic activity of early photosynthetic life-forms that slowly but surely transformed the chemical composition of Earth's atmosphere.
1995年，伽利略号宇宙飞船捕获了关于木星大气的数据——也就是说，大部分预测的大气中没有水——这挑战了关于木星结构的主流理论。
In 1995 the Galileo spacecraft captured data about Jupiter's atmosphere—namely, the absence of most of the predicted atmospheric water—that challenged prevailing theories about Jupiter's structure.
1995年，伽利略号宇宙飞船捕捉到了木星大气的数据——也就是说，大部分预测到的大气水的存在——这挑战了关于木星结构的主流理论。
In 1995 the Galileo spacecraft captured data about Jupiter's atmosphere—namely, the absence of most of the predicted atmospheric water—that challenged prevailing theories about Jupiter's structure.
此观念基于火山爆发对大气的冷却作用。
The concept is based on the cooling effect of volcano eruptions on the atmosphere.
超市就像博物馆一样，越来越有沉着大气的风范。
首先，出现了亿万吨二氧化碳出入大气的突然动作。
First, there were sudden movements of hundreds of billions of tonnes of carbon dioxide into and out of the atmosphere.
黑碳对大气的影响会因为许多别的因素增强或减小。
观察者们看到的颜色取决于被撞击的大气的种类和高度。
The colors a sky-watcher sees depends on what type of gas is being hit and how high it is.
光球是太阳大气的最底层，我们看到的光线就是从它发出的。
The photosphere is the lowest layer of the sun's atmosphere, and emits the light we see.
除了向大气中减少废气排放，我们可以增加将废气带离大气的量。
In addition to reducing the gases we emit to the atmosphere, we can also increase the amount of gases we take out of the atmosphere.
当浮力把空气向上推，而重力又把它向下拉的时候，就会形成大气的重力波。
Atmospheric gravity waves form when buoyancy pushes air up, and gravity pulls it back down.
在印度，这有许多大型工厂都是以煤为能源，是大气的主要污染源。
In India, it is the corporations that are building giant coal-based power plants - which are major climate polluters.
最后，恒星大气的最外层部分是日冕，这是一个由于外层对流导致的超热区域。
Finally, the outermost part of a star's atmosphere is the corona, which if super-hot might be linked with convection in the outer layers.
而新的激光技术就不同了，因为它是利用自然的湿度和大气的条件来制造水滴的。
The new laser method is different because it uses natural humidity levels and atmospheric conditions to create water droplets.
这代表着大气的变暖，会比人们根据温室气体浓度水平去推想的速度要慢。
This means that the atmosphere will warm more slowly than a given level of greenhouse gas would lead you to expect.
太阳暴携带着一股电子及其他带电粒子冲击了地球，与大气的空气相互作用生成了极光。
Solar storms bombard Earth with a stream of electrons and other charged particles that interact with gases in the atmosphere to generate colorful aurora.
在大气的外部边缘处，由于大气已经远远地延伸到太空，实际意味着它正在冷却。
At the outside edge of the atmosphere, that actually means that it's getting colder because it's pushed farther out into space.
紧接着，这会降低海平面至上大气的温度，使得更多低温干燥的空气降落到表面。
That in turn cools the air above the surface of the sea, allowing more cool dry air to descend from above.
核能与矿物燃料不同，完全没有碳元素，不会在燃烧时释放改变大气的二氧化碳。
Unlike such fossil fuels, which release climate-changing carbon dioxide when burnt, nuclear power is "carbon free".
核能与矿物燃料不同，完全没有碳元素，不会在燃烧时释放改变大气的二氧化碳。
Unlike such fossil fuels, which release climate-changing carbon dioxide when burnt, nuclear power is "carbon free".
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