What is polar light ?

什么是极光啊？

It is said that polar light looks very beautiful.

据说北极光特别美丽。

Fairy-tale picture of nature, beautiful nature polar light .

童话般的画面自然，美丽的自然极轻。

Were they meteoritic matter from space, reflected light from polar icebergs or a high-altitude version of lightning?

它们是太空里的彗星物质、极地冰山反射的光，还是高空的闪电？

It is brought to light that polar migration is one of the causes of crustal movement and earthquake.

计算表明，极移是大规模地壳运动和地震活动的原因之一。

When the charged particles from May’s coronal mass ejections reached Earth, they caused no damage, but they did generate sheets of colored light dancing across polar skies.

当带电粒子从日冕物质喷射到地球，他们并没有收到任何损坏，但他们在北极的天空产生了彩色的极光。

Polar mesospheric clouds appear as light blue ribbons extending across the top of the image.

极地云层出现淡蓝色的色带一直延续到图片的顶端。

This created a region from which light could not escape (analogous to a black hole) and also its polar opposite, a region which light could not enter.

这样就创造了一个类似于黑洞的，光无法逃逸的区域以及光无法进入的极对立面。

However, coherent light entering a nonlinear polar crystal can be converted into a new nonclassical light, which we refer to as superlight.

光子在具有极高非线性的极性晶体中能通过交换虚光学声子感应出一种有效的相互吸引作用。

Every aurora hangs as a curtain of light stretching over the polar regions and into the higher latitudes.

一束束极光像帘幕一样悬挂在极地上空，并延伸到高纬度地区。

Young male polar bears spar under the low light of winter in Svalbard, a cluster of islands halfway between Norway and the North Pole.

在挪威和北极之间的半途上有的一群岛屿，称为斯瓦尔巴特群岛。在冬季微弱阳光的照耀下，岛上的雄性北极熊仔在对打。

In our quantum theory, Raman scattering of light by longitudinal and transverse polar modes can be described within a unified theoretical framework.

在场论中，光被纵光学和横光学模的拉曼散射能在一个统一的理论框架内描述。

Visible also in the above images are the north polar cap of Mars, dark and light soil, clouds, and, in the early images, a global dust storm.

上面的影像中也可以看到火星的北极冰帽，亮暗不同的土壤，云层，以及早期影像中的沙暴。

When they reach the earth's magnetic field the energy is transferred into visual light around the earth's Polar Regions.

当它们到达地球磁场之后，能量便在地球极圈地带转化成可视的光线。

People who live near polar regions see the auroras as giant curtains of shimmering light in a variety of colors.

居住在两极附近地区的人们所看到的极光犹如一张五彩缤纷的巨大光幕。

The study on this subject plays an important role in explaining the phenomena of light transition and transport in the ionic crystal and polar semiconductor.

极化子的研究对于解释离子晶体和极性半导体的光跃迁过程及输运现象有重要意义。

To make sure the enucleation, ultraviolet light is used to check DNA located in the polar body and the metaphase plate.

为了确保细胞的去核，使用了紫外光检查位于极化体和中期板中的DNA。

At Earth, auroras light up when solar wind particles slam into molecules of air near the polar regions.

在地球上，当太阳风粒子与两极地区附近的大气中的分子相撞时，会发生极光现象。

Scandinavian folklore offers numerous explanations for the aurora borealis, the amazing celestial light show that is, for the most part, unique to polar regions.

对于北极光这种大抵上为极地独有的迷人的天空光秀，斯堪地纳维亚的民间传说有着诸多解释。

Over 20 million light-years away, its peculiar appearance marks it as a polar ring galaxy.

它距我们超过2千万光年之远，其独特的外形给它带来了极环星系的名字。

“On first glance, these interactions of light and particles looks like magic,” she says. “These polar molecules are the pinnacle of quantum optics.”

“乍看之下，这些粒子和光的相互作用看起来像魔术，”她说。“这些极性分子（的研究）是量子光学的顶峰。”

Her research has involved examining light-matter interactions in highly quantum mechanical systems, specifically the formation of ultracold polar molecules.

研究领域包括研究高量子力学系统中光与物质的相互作用，特别是超冷极地分子的形成。

Meanwhile, in the light of the management mechanism of five representative countries, a detailed design for further reform of the polar expedition members management mechanism is proposed finally.

同时，结合五个发达国家考察队队员管理机制的成功经验，对我国极地考察队队员管理机制进行了详细的改革方案设计。

Dazzling Titan glows with a 360-degree sunset as light scatters through its very extended atmosphere. Some structure is visible in the hazes of the northern polar hood.

当光通过这飘渺著的大气时，土卫六以令人眼花缭乱的方式展现了360度的日落。在北极的地方可以见到兜帽似的浓雾。

Based on five polar seasons of data, the satellite has revealed that the clouds' seasonal appearances turn on and off as abruptly as a "geophysical light bulb, " according to the AIM Web site.

基于极地的五个季节的数据，卫星解释了云层断断续续的季节性出现，据AIM网站上介绍，这被称作“地球物理学的电灯泡”。