Rock on a planet is also important.
行星上的岩石也很重要。
The rover should have at least one Martian year, to roam the planet, during which time it will collect, grind and analyze around 70 samples of rock and soil.
流浪者至少要待一个火星年，去漫步这个星球，在这期间，它将收集、研磨和分析大约70个岩石和土壤样本。
However, if the planet is in a good position, astronomers look for three key things: water, air and rock.
然而如果这颗行星处于很好的位置，天文学家会寻找三样关键的东西：水、空气和岩石。
The discovery of life-forms so deep underground strengthens the notion that most of the organisms on the planet are in fact hardy, single-celled creatures that live in the rock beneath our feet.
在如此深的地下发现生命再次表明了我们星球上大多数生物是生活在我们脚下岩石中强悍的单细胞生物。
To leave our planet nothing but rock and dust.
除了岩石和尘土外不在我们的星球留下任何东西。
Planet could be 'missing link' to Earth: Alien world is made of rock, not gas.
外星球将会与地球“失去链接”：外星人世界是岩石构成的，不是气体。
The 4.6 billion-year-old rock is a sample of the solar system from before the birth of our planet.
1969年，一颗陨石落到了澳大利亚的莫奇森（Murchison），这块46亿年的岩石地球诞生之前的太阳系样本。
The icy rings of Saturn could be what's left of an ancient ice-rock moon that got stripped and swallowed by the gas-giant planet. Christopher Intagliata reports.
土星外面有一圈冰冷的土星环，可能是遥远时期它的一颗由冰和岩石组成卫星的遗留物，而这颗卫星已经被土星这个巨大的气质行星撕裂、吞噬了。
According to the 4-inch-wide arthropod, the entire planet-once nothing more than a large, tedious mass of molten rock-has really taken shape recently.
据这只4英寸长的节肢动物说，整个星球-除了大量的熔岩外一无所有-真的是最近才形成的。
Perron and his team reasoned that the oceanic shorelines were once near the equator, but warped into hilly up-and-down elevations of rock as they move towards the north with the tilting planet.
佩伦和他的研究小组推测，火星的海岸线一度在赤道附近，在随着倾斜的星球向北移动的过程中，变形为起伏不平的岩石高地。
Built with such goodies as a rock-vaporizing laser and cameras on every side, this new Mars rover is ready to go explore our neighbor planet.
这个新的火星流动站准备用来探索我们的邻星。
They may not have been the first punk band in history, but they're certainly one of the most popular punk rock bands to have walked this planet.
他们也许不是史上第一支朋克乐队，但他们无疑是全球最受青睐的朋克摇滚乐队之一。
A newly discovered hunk of space rock has a 1 in 75 chance of slamming into the Red Planet on Jan. 30, scientists said Thursday.
科学家们在星期四说，一大块新发现的太空岩石有1/75的几率将在1月30日撞击火星。
This frosty little rock could be the key to understanding how Earth became the blue planet.
这颗严寒的小岩石可能是了解地球如何变成蓝色行星的答案。
There are three large rings around the planet which are made up of billions of pieces of ice, rock, and metal, all in beautiful colors.
有三个环围绕着土星，它们由亿万片冰物质、岩石、和金属物质构成，它们都有美丽的颜色。
It is formed from liquid magma, the molten rock still found at the core of the planet, cooled slowly to form a substance approaching the hardness and durability of diamond.
花岗岩是有地球内部的岩浆冷却行程得一种硬度和耐久性接近钻石的物质。
As you know, although our planet looks so big, we can live on only 10%of it, because 70% is covered by sea and water, and 20% is deserts of ice and rock.
尽管我们的星球看起来很大，但只有它的10%的面积我们可以居住，因为70%是海洋和水，而另外的20%是沙漠、岩石以及冰。
The rock, bigger than a sports arena, tumbles menacingly close to our planet every few years.
这个比运动竞技场更大的石块每隔几年就充满威胁地坠落得离我们的星球更近。
The oceans fly off into space, all life ceases to exist, and the planet becomes a hot rock.
海洋飞到太空中，所有的生命停止存在，地球变成炽热的岩石。
The oceans fly off into space, all life ceases to exist, and the planet becomes a hot rock.
海洋飞到太空中，所有的生命停止存在，地球变成炽热的岩石。
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