rocks-凯发k8官网

18-11-02 three tiny moon rocks collected by a soviet space mission in 1970 are expected to sell for up to 1 million u.s. dollars at auction in november, according to a report by cnn. 本月举行的拍卖会上，1970年苏联航天任务中收集的三块微小的月球岩石有望以100万...

16-10-07 the gusting westerly winds that dominate the climate in central asia, setting the pattern of dryness and location of central asian deserts, have blown mostly unchanged for 42 million years. a university of washington geologist led a team that has di...

15-04-29 one day, an expert in time management was speaking to a group of students and, to drive home a point, used an illustration those students will never forget. as he stood in front of the group of overachievers he said, ok, time for a quiz. he pulled o...

14-07-19 university of southampton researchers have found that rainwater can penetrate below the earth's fractured upper crust, which could have major implications for our understanding of earthquakes and the generation of valuable mineral deposits. it had b...

13-12-10 about 65 million years ago, an asteroid（小行星） or comet crashed into a shallow sea near what is now the yucatn peninsula of mexico. the resulting firestorm and global dust cloud caused the extinction of many land plants and large animals, includi...

13-12-10 scientists are digging deep into earth's surface collecting census data on the microbial denizens（居民） of the hardened rocks. what they're finding is that, even miles deep and halfway across the globe, many of these communities are somehow quite...

13-11-19 researchers now have stronger evidence of granite（花岗岩） on mars and a new theory for how the granite -- an igneous rock（火成岩） common on earth -- could have formed there, according to a new study. the findings suggest a much more geologically...

12-02-04 scientists are trying to find a way to protect earth from the giant rocks which travel around the milky way. 科学家正试图找到能保护地球免遭银河系巨石撞击的方法。 run out of berlin with funds from the eu, the neoshield project, which will look for a...

11-11-18 researchers the world over are seeking reliable ways to predict earthquakes, focusing on identifying seismic（地震的） precursors that, if detected early enough, could serve as early warnings. new research, published this week in the journal applied...

10-07-30 researchers have identified rocks that they say could contain the fossilised remains of life on early mars. 研究人员在火星上发现一些岩石，称这些岩石很可能藏有早期火星生命的化石。 scientists believe life could have existed on mars almost four billion...