一个笑话就从无言的篷车陨下。
陋合王国陨大不列掂和辈爱尔兰组成。
United Kingdom consists of Great Britain and Northern Ireland.
流星尚未陨逝，我们已厌倦了它的闪耀；
We tire of the flame of the meteor, before it can fade and flee;
我们又怎能知道星球不是由砂粒的陨坠所形成的呢？
How do we know that the creation of worlds is not determined by the fall of grains of sand?
陨坑位于火星南半球，拍摄时正值这颗红色星球的冬季。
The crater is in the Red Planet's southern hemisphere and it was winter at the time the picture was taken.
科学家相信这陨坑存有结冰水，希望通过撞击可以被掀起。
Scientists believe the crater may contain frozen water and expected it to be kicked up by the impact.
陨击是太阳系类地天体广泛而普遍的地质过程，地球也不例外。
Meteorite strike is the broad and universal geological process of earth-like planet in solar system, the earth is no exception.
盖尔环形山最明显的特征就是陨坑中间突兀的耸立着一座塔状的岩堆。
This site's most obvious feature is a towering pile of materials that sits smack in the middle of the wide crater.
这张照片展示了位于火星南半球一个直径11公里冲击陨坑的一部分。
This image shows part of a 7.4-mile-diameter impact crater on Mars' southern hemisphere.
从西北边（即照片左边）直射过来的阳光将陨坑中的沟壑照得清清楚楚。
The angle of the sun, coming from the northwest or the left of the image, throws the gullies in the crater into sharp relief.
在最新的一项研究中，研究人员在月岩和月陨薄碎片中找到了磷灰石的矿物颗粒。
In the new study, researchers located grains of the mineral apatite in thin sections from the moon rocks and meteorite.
历史上发生的陨击事件对地球表面岩层构造产生了极其严重、刻和长远的影响。
Meteorite strike events have severe, great and long-term impact on strata structure of the earth surface.
陨坑内部似乎显露出两种不同类型的基岩，即外缘的浅色岩石和内沿的深色岩石。
The crater seems to have exposed two different types of bedrock, the light-toned rock toward the outer edge and the darker rock on the inner edge.
靠近火星赤道的子午湾陨坑为东西走向，它的西端就是“机遇”号火星探测器着陆的位置。
The western portion of Sinus Meridiani was the landing site of the Mars rover Opportunity.
由光化学所产生的化学物质陨害视觉细胞，减低它们的感光度，极端的情况可以破坏细胞。
The resulting photoproducts damage the cells, impairing their ability to respond to light, and in extreme cases can destroy them.
陨坑中心可能是由于不同寻常的下层地质结构导致的，也有可能因为幸运的二次撞击而形成的。
The central crater could be formed by unusual layers below the surface, or from a lucky second impact.
这颗卫星又细又长，长度大约在90英里(约合144公里)左右，其表面并不平坦，布满陨坑。
Long and thin, this moon measures about 90 feet in length, and its uneven surface is rife with craters.
这幅视角有些倾斜的图片展示了盖尔陨坑中的低处高地，这些岩层保存了火星环境变化的相关线索。
This oblique view of the lower mound in Gale crater shows layers of rock that preserve a record of environments on Mars.
撞击地点选在凯布斯月球坑，是一个月球极地附近的永久性阴暗区陨坑，常年温度低至-238c。
The chosen target was the Cabeus crater, which lies in a permanentlyshaded region of the Moon where temperatures fall as low as -238c.
在LCROSS撞向月球南极附近的一个陨坑的过程中，航空航天局对卫星图像进行了实时转播。
NASA televised live images of the LCROSS as it crashed into a crater near the moon's South Pole.
这张照片展示了某个极地陨坑，陨坑中还保存着一些夏季冰的痕迹，在风的作用下形成了一些美丽的沙丘。
This image shows part of a polar crater that still holds on to some summer ice, as well as beautiful sand dunes sculpted by the wind.
美国宇航局将在今年秋天发射新一代、汽车大小的火星探测器好奇号，预计2012年8月抵达火星盖尔陨坑。
NASA will launch the next-generation Mars rover - the car-size Curiosity, this autumn, for arrival at Mars' Gale crater in August 2012.
太空飞行器撞击的对象是一个位于月球南极宽达60英里被称为Cabeus的陨坑，这陨坑永远处在阴暗区。
The spacecraft ploughed into a 60-mile-wide crater called Cabeus, which is permanently in shade at the lunar South Pole.
太空飞行器撞击的对象是一个位于月球南极宽达60英里被称为Cabeus的陨坑，这陨坑永远处在阴暗区。
The spacecraft ploughed into a 60-mile-wide crater called Cabeus, which is permanently in shade at the lunar South Pole.
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