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"than"(으)로 총 170건 검색되었습니다.

보이지 않았던 별과학동아 l199009

to miss. It was brighter than any object in the sky, other than the sun or moon. It wa two or three times brighter than Venus, the glorious evening star. It was so bright that it ...

마지막 입자과학동아 l199009

to win the next race - - beginning in June, 1991, they will be ready to smash particles at higher levels of energy than they had disposed of hitherto. They hope to discover particles containing ...

상처를 찾아라과학동아 l199008

in North America did.What's more, the shocked quartz seemed of a type that was characteristic of ocean bottoms rather than of continents, so perhaps the great meteorite struck the ocean.(which ...

박테리아 광부들과학동아 l199008

all sorts can be obtained from sources that would ordinarily be given up as uneconomical. In fact, there may be more than that. We might, conceivably, set them to work on metal scrap which has ...

원자 하나씩과학동아 l199007

someday be composed of carefully placed individual atoms. This would mean that the microchips would be more "micro" than ever. We would have small computers that would do far more things in far ...

타조알과 인류의 나이과학동아 l199007

that are up to 200,000 years old at some places in Africa.In China, where the temperature is, on the whole, cooler than in Africa, it is possible that ages of up to 1,000,000 years can be deter ...

우주의 형성과학동아 l199006

than we expect. We can only see stars and galaxies, but there is evidence that there is much more gravitational force than that. There is "dark matter," of whose nature we know nothing, ...

종족의 보존과학동아 l199006

its existence.On New Zealand, there once lived the giant moa, the tallest bird that ever lived, though it was lighter than the Aepyornis. Some moas were 12 feet tall, but they driven to extinct ...

잘못된 경종과학동아 l199005

of air trapped in amber showed that millions of years ago, the Earth's atmosphere contained 30 percent oxygen, rather than 20 percent as it does today. This seems unlikely on its face. With 30 ...

우주적 위험과학동아 l199005

of cosmic rays you receive is increased. People who live in mile-high Denver, Colo., get considerably more cosmic rays than the people of Los Angeles or New York, who live at sea level. (Nevert ...

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