单词：surface mine life
单词：surface mine life 相关文章
Since early times, people have been fascinated with the idea of life existing somewhere else besides earth. Until recently, scientists believed that life on other planets was just a hopeful dream. But now they are beginning to locate places where lif
英语听力小短文走遍全世界
This is a genuine iron meteorite, this is believed to have once been part of the core of a long dead planet or asteroid, and this was found right here in this strewn field, this remarkable little shapes, indentations on the surface are called thumbpr
探索与发现2014年
Conditions on Mars were so harsh that it was hard to imagine any life surviving there. The idea of sophisticated aliens was wiped out. We know that conditions on Mars today are not very good for life.
火星生命
Other creatures benefit from the whales' industry-sea birds forage in their wake. As the whales drive the krill closer to the surface, it comes within reach of birds that are not particularly skilled
冰雪童话
Humpback whales. During the brief summer they gorge themselves on krill. When the krill swarms are near the surface, the humpbacks collect them by lunging . They simply open their cavernous mouths and
冰雪童话
But even if there had been water, life doesn't start overnight. Even a simple microbe is the product of complex chemical systems that take millions of years to evolve. Had the water lasted long enough
火星生命
Launched in 1977, Voyager II explored the outer planets and their weird moons, moving ever deeper into space, into regions completely mysterious to us earthlings. On board is a gold-coated phonograph
寻访外星人
(NASA Administrator Dan) Golden accepts that the search for life on Mars is not over.
寻访外星人
EXPLORATIONS - Ancient Martian Conditions Could Have Supported Life From VOA Learning English, this is EXPLORATIONS, in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Today we report on recent scientific findings about the planet Ma
2013年VOA慢速英语(三)月
在火星上骑行是一种怎样的体验，一定比在伦敦上下班高峰期开车还费劲吧...... Neil: Hello and welcome to 6 Minute English from BBC Learning English, I'm Neil and with me today is Chris. Chris: Hello there. Neil: Now Chris,
一起听英语
Well, hearing that Odyssey had found subsurface water on Mars was enormously exciting for somebody who is involved in planning to send humans to Mars. Water has a number of important uses for us. At t
火星生命
The male usually leads. If the female is sufficiently impressed, the pair seal their relationship with a vocal duet . King Penguin rookeries are very busy places. Every morning at about 6:00, the adul
冰雪童话
And in fact, Curiosity -- which has been roving on the surface now for about three years -- 事实上，好奇号探测车，在火星表面上漫游已经有三年了 has really shown us that it's sitting in an ancient river bed, where water flowed
TED演讲科学篇
WASHINGTON, July 31 (Xinhua) -- U.S. space agency NASA on Tuesday confirmed its most advanced planetary rover, Curiosity will land on the Martian surface at 1:31 a.m. EDT (0531 GMT) on Aug. 6 and the landing process will be broadcast live from Times
英语新闻
You cannot find or will you ever find gold on the surface. It has to be discovered and has to be found deep inside the Earth's ground. And it takes years to find the gold and this is why it is so valuable; Not everyone has it. 在地面永远都不可能
阅读空间
WASHINGTON, May 1 (Xinhua) -- Scientists from IBM on Wednesday unveiled the world's smallest movie, made with one of the tiniest elements in the universe: atoms. Named A Boy and His Atom, the movie used thousands of precisely placed atoms to create n
英语新闻
Jupiter Moon to Be Searched for Life去欧罗巴寻找生命 And this mission would be NASAs first mission that is directly tasked with searching for signs of life on another world since the Viking Spacecraft were given that task back in the 1970s on
2017年Scientific American(三)月
This was most unexpectedso unexpected, in fact, that it was some years before scientists realized quite what they had found. 这完全是出乎意料的事太出乎意料了，因此科学家们实际上过了几年才充分意识到自己的发现。
万物简史
At an event in New York on Wednesday, Microsoft unveiled the sleek Surface Studio: a 28-inch all-in-one PC that converts into something akin to a digital drafting table. Reclined at about 20 degrees, it can be used with a dedicated stylus and so-call
阅读空间
The figures have since been refined and made a little more generous, 自那以后，这两个数字被更精确地测算了一遍，放宽了一点， 5 percent nearer and 15 percent farther are thought to be more accurate assessments for our zone of
万物简史