Based on crater densities within the basins, SPA appears to be the oldest and Orientale the youngest.
根据盆地内的陨石坑密度估算，SPA盆地似乎最古老，而东方海则最年轻。
On Feb. 3, 1966, Luna 9 touched down into a moon crater, and then sent back panoramic images of the landscape.
月神9号于1966年2月3号下探月球上一个火山口，然后传回地貌的全景图像。
The remarkable photograph of a 'moonbow' was taken by Wally Pacholka as he looked over the Haleakala crater on Maui Island in Hawaii.
这张引人注目的‘月虹'照片是由WallyPacholka在游览参观夏威夷毛伊岛哈雷阿卡拉火山口时拍摄的。
However, the ejecta on Mars gives the distinct impression of a liquid that has splashed or flowed out of crater.
然而，火星上的喷出物则由于那些溅出或溢出陨石坑的液体而令人印象深刻。
To remember Wan, there is a crater (环形山) on the far side of the moon which is named after him.
为了纪念万，月球背面有一座以他的名字命名的环形山。
You are being sent on a long journey to a distant crater, the largest crater in the region.
在此你将会开启一段漫长的旅程去到火星上的火山口，这是此地区最大的火山。
Another sign of ice is the presence of parallel lines and pitted material on the crater floor.
另外一个有冰存在的迹象就是陨石坑底部的并行线和无核物质。
If that turns out to be from an asteroid impact, it would be the largest crater found on Earth. Ever.
如果这是由行星撞击所形成，毫无疑问，它将是地球上最大的陨石坑。
Mimas, at the upper right, has an enormous impact crater on one side, and Tethys, at the bottom, has a huge rift zone called Ithaca Chasma that runs nearly three-quarters of the way around the moon.
右上角的是土卫一，在它上面的一边上，有着一个巨大陨石坑；底部的是土卫三，上面有一个巨大的、称为伊萨卡峡谷的裂谷带，它几乎占了该卫星绕行路线的四分之三。
Footage showed two gutted cars and a deep crater on a debris-strewn street lined by bare trees, and a red brick schoolhouse with its windows blown out and roof partly ripped off.
录像中，烧毁的汽车，被炸出来的深坑，碎片狼藉的大街，还有光秃秃的树，红砖砌成的校舍里，窗户被炸坏，房顶也有一部分被炸掉。
The crater was formed by a meteorite impact billions of years ago, and if there were water on the planet back then, it would have accumulated in the crater, turning it into an evaporative lake.
这一撞击坑是由几百万年之前一颗陨石的撞击形成的，如果当时这颗星球上有水，这些水可能已经聚集到了撞击坑里，使其变成一个蒸发湖。
A lost world populated by fanged frogs, grunting fish and tiny bear-like creatures has been discovered in a remote volcanic crater on the Pacific island of Papua New Guinea.
在巴布亚新几内亚的博萨维火山口，科学家们发现了一处被遗忘的动物世界，那里有四十多个前所未见的新物种。
When the rocket struck the bottom of the crater on October 9 last year it blasted out a hole 70ft to 100ft indiameter and 6ft deep.
去年10月9日，火箭按计划成功撞击到月球坑，坑底产生了一个直径为70-100英尺、6英尺深的大洞。
There are places on Mars, like Gusev Crater, which resemble soda lakes on Earth, according to an analysis of minerals by NASA's Spirit rover.
根据美国航空航天局勇气号探测器对矿物质的分析，火星上有些地方——比如古瑟夫撞击坑——和地球上的碱湖差不多。
On the ridge of the crater the grade becomes less difficult, the trail more solid. It's a needed break.
（攀登）在火山口的山脊上不再那么困难，因为路面更结实。
This oblique view of the lower mound in Gale crater shows layers of rock that preserve a record of environments on Mars.
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。
Further evidence for this can be seen on some crater walls where the darker material appears to have slid downwards, exposing more light-colored material.
关于这一点有更进一步的证据，在一些弹坑壁上有更加黑暗的物质，看起来已经滑到弹坑深处，同时也暴露出了弹坑深处更多的浅色物质。
Take the stunning image on the above, which shows the muffin-cup-like Victoria Crater, a site once explored by the Mars rover Opportunity.
就拿上面那幅令人震撼的照片来说，它所呈现的是形状像松饼杯一样的维多利亚火山口，“机会号”火星探测器曾经探索过这里。
During an impact event that creates a crater, central uplifts or mounds form on the floor of the crater in craters larger than 7km in diameter.
在造山活动中，火山口中心地带提升，产生了一个直径约7公里的小型火山口。
A pit in the Moon - this high Sun view of the Mare Tranquillitatis pit crater on Earth's Moon reveals boulders on an otherwise smooth floor.
这是在月球静海地区出现的月球坑，平坦的表面巨石遍布，当时正值艳阳高照。
Opportunity has scrambled out of the 800m-wide Victoria crater and is now setting off on a journey of more than a kilometre to a giant crater called Endeavour.
“机遇号”最近爬出了宽达800米“维多利亚”弹坑，目前正在奔赴一千米以外的“恩达瓦”弹坑。
The remarkable photograph of a 'moonbow' was taken by Wally Pacholka, as he looked over the Halkeakala crater on Maui Island in Hawaii.
这张引人注目的月虹照片是由WallyPacholka游览参观夏威夷毛伊岛哈雷·阿卡拉火山口时拍摄下来的。
Three crater lakes are located on the eastern summit of Keli Mutu.
三个火山口形成的深湖位于克丽穆图(Keli Mutu)东面的山顶上。
Mimas, one of Saturn's innermost moons, was another of Cassini's targets--which is fitting because Mimas looks rather like a bulls-eye, thanks to the huge circular crater on its surface.
土卫一“米玛斯”是土星最里面的卫星之一，也是“卡西尼”号的一个重点观测目标。由于表面的巨大环形陨坑，土卫一看上去好似一只牛眼。
These dunes seen within a crater on the planet were picked out by NASA's High Resolution Imaging Science Experiment (HiRiSE) camera.
这张展示火星表面一个陨坑内沙丘的照片由美国宇航局的HiRiSE(高分辨率成像科学实验)照相机拍摄。
Above, a miner carries sulfur out of the crater on July 22, 2006.
上图摄于2006年7月22日，一名矿工正把硫磺运出火山口。
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.
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。
What appeared on his screen was something typically seen only on our own moon and other planets — a meteorite impact crater 148 feet across.
他的屏幕上出现的是一些我们通常在月球和其它行星上看见的东西- - -一个148英尺宽的陨石坑。
Standing on the crater floor, he couldn't see the lake itself, which was above him within the cone of cooled lava.
站在火山口的地表上，他根本看不到岩浆湖，因为位于锥形冷却熔岩的岩浆湖在他的视线之上。
Toward the top (northern) end of the image, the ice becomes sparser, but the walls of a large impact crater in the upper-left corner provide a refuge for an oblong ice deposit on the crater floor.
接近照片顶部尽头(即北部)，冰雪变得较稀少，但是左上角一个巨大的撞击陨石坑壁却为环形山底的一块椭圆形积冰提供了庇护所。
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