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"than"(으)로 총 170건 검색되었습니다.- 최고(最古)의 날짐승과학동아 198808
- itself from its lizard forebears. Its hind limbs and its pelvic bone are quite primitive and closer to the lizard than to modern birds.However, the fossil has a shoulder bone called the 'coraco ...
- 윤초(閏秒)과학동아 198806
- we'll just to agree that the day has become a second longer. We can then define the second as a very tiny bit longer than it is now so as to keep the same number of seconds per day.But meanwhil ...
- 우리는 지금 몇 살인가?과학동아 198806
- 5,000 years, why should it have taken modern men that long to wipe out Neander-thal man? Were the Neanderthals smarter than we thought? Did they put up a much better fight?Scientists must now w ...
- 성단(星団)이라는 측정자과학동아 198805
- some. Secondly, if Harris is correct, the brightness of the brightest globular clusters can be relied on more safely than the brightness of the bright-est individual supergiants. The globular c ...
- 감마선의 시사과학동아 198805
- Cygnus X-1, also has been detecting gamma rays. Gamma rays are like X-rays but are made up of tiny waves even shorter than those of X-rays. Gamma rays, therefore, are the more energetic of the ...
- 알기 어려운 쿼크과학동아 198804
- protons and other particles even more massive, they theorized, are made up of three quarks each.Particles lighter than neutrons and protons(so-called “mesons”)are made up of two quarks each.It ...
- 가장 생명력이 강한 것과학동아 198803
- flower to the next.Flowering plants are thought to have originated about 135 million years ago, but if bees are older than that, then so are flowers.Paleontologists continue to look. Every inse ...
- 태양계의 종말은?과학동아 198803
- keep the sun from collapsing. Gravity will then have its way at last, and then the sun will contract to a size smaller than that of the Earth. Its surface layers will heat up again and it will ...
- 옛 괴물들과학동아 198802
- that length and size of the largest dinosaur that ever lived. Nor is it likely that there were ever any taller trees than the redwoods of today, which reach heights of 400 feet or so. And the m ...
- 가솔린 바다과학동아 198802
- 가솔린 바다를 찾는다고 상상해 보자! 실제로 그런것이 있을 수도 있다. 어느 두곳에 그것이 있을지 모른다. 그러나 물론 지상에 있는것은 ... for instance, so lunar colonists will depend on Earth for their supply.) The distant outposts might therefore be th ...
