d라이브러리
"sun"(으)로 총 100건 검색되었습니다.
- 대기권 밖의 망원경과학동아 l198904
- not penetrate to the surface. Sometimes even the radiation that does get through is obscured because the air scatters sunlight into blue sky that hides everything else during the day, and there ...
- 산불의 냉각효과과학동아 l198902
- been so much dust thrown up into the upper atmosphere by the strike, and smoke from the forest fires as well, that the sun's light would have been prevented from reaching the Earth's surface fo ...
- 물이 많아지고 더워진다과학동아 l198902
- the burning of coal and oil safe.The best source of energy, of course, would be solar energy. Light and heat from the sun reaches Earth anyway, and if we use that heat before it is absorbed by ...
- 태양을 스쳐 지나가기과학동아 l198901
- had actually passed so deeply into the sun's atmosphere that their orbits degenerated and they spiralled into the sun itself.Presumably, this happens now and then, and even more frequent ...
- 한쪽으로 늘어진 위성과학동아 l198811
- Neptune itself will probably turn out to be very much like Uranus except, of course, that, being farther from the sun, it is colder.Of Neptune's two satellites, one, named Triton, is about 2,40 ...
- 행성군(群)과학동아 l198811
- the star follows a path across the sky in a path that has a very slight wave to it. (Viewed from a distance, our own sun would show a wobbly path, thanks chiefly to the pull of the large plane ...
- 동요하는 지구과학동아 l198810
- Earth's axis shifts, and that is because the Earth is not a perfect sphere but bulges at the Equator.The moon and sun pull at that bulge and cause the Earth's axis to move in a slow circle. The ...
- 생활속에 파고드는 바이오세라믹스과학동아 l198810
- 본격적인 연구를 시작한 것은 일본. 1973년 '문 라이트'(Moon Light) 프로젝트 혹은 '선샤인'(Sun Shine) 프로젝트 등으로 원적외선에 대해 학술적인 접근과 아울러 어떻게 산업적으로 활용할 수 있을까를 연구했다.여기에 일대 전환점을 마련했던 주인공은 '나고야' 공업시험연구소의 '다카지마'씨. 이제까지 ... ...
- 다이아몬드 개량과학동아 l198809
- temperature was needed to obtain the carbon-containing vapor. No high pressures were necessary.Imagine spectacles, or sun-glasses, with a diamond film. The film would be perfectly transparent a ...
- 별을 본다는 것(점성술)과학동아 l198808
- they may see their popularity crumble and vanish, as in the case of the character portrayed by Gloria Swanson in "Sunset Boulevard." No wonder many show-business people are superstitious.Then, ...
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