Gigantic blocks of rock litter the crater floor.
陨石坑底部到处是巨大石块。
What caused this unusual looking crater floor on Mars?
火星这个奇特的陨石坑底到底是怎麽形成的？
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。
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。
A 400-kilometer wide impact basin is visible near the image center, delineated by deep scarps that drop sharply to the crater floor.
一个400公里宽的冲击坑在图近中间处可见，是被深深的碎片直接掉落在表壳所勾勒出来。
Squyres says the chemicals suggest the mineral deposits remained after ground water came to the surface of the crater floor and then seeped back into the ground.
说这些化学物质表明地下水流到火山口表层后产生了矿床，然后才又渗透到了地下。
In MESSENGER's view, the crater floor is seen to be filled with an intricate series of cracks, formed as the molten surface resulting from the impact cooled and contracted.
信使号太空船在德加陨石坑表面观测到因熔融冷却收缩所产生的斑驳裂痕。
Streaming through a gap in the eastern wall of 45 kilometer wide Hesiodus crater, the low-angle sunlight produces a long sunrise ray playing along the otherwise Shadowed crater floor.
45千米宽的赫西俄德环形山，东壁一个缺口流泻出低角度的太阳光，在有阴影的环形山底形成长长的太阳光线(日出光？)
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。
The floor of Goat Paddock Crater is covered by sediments deposited since the Pleistocene Epoch.
山羊围场陨石坑的地面覆盖着自更新世以来的沉积物。
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。
This observation from NASA's Mars Reconnaissance Orbiter shows the floor of a large impact crater in the southern highlands, north of the giant Hellas impact basin.
这幅来自NASA火星轨道观察器的图像显示了位于火星南方高地巨大的Hellas撞击盆地北侧地表上的一个大撞击坑。
However, a pit in the floor of the crater has exposed light-toned, fractured rock.
然而，撞击坑的底部却暴露出浅色，断裂的岩石。
In the centre of the image, the floor of an impact crater almost 50 km wide is covered in dark material.
在图像的中心，一个陨石坑地面将近50公里宽覆盖着黑色的物质。
In the centre of the image, the floor of an impact crater almost 50 km wide is covered in dark material.
在图像的中心，一个陨石坑地面将近50公里宽覆盖着黑色的物质。
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