d라이브러리
"planet"(으)로 총 76건 검색되었습니다.
- 강 여행과학동아 l199311
- past the Indian Point nuclear power stations at night, when they seemed like fantastic lighted shapes from another planet. Unfortunately, river power stations (nuclear or not) tend to suck in f ...
- 금성 목성 토성 어떻게 관측하나과학동아 l199309
- ferrestrial planet)이라 하고, 목성 토성 천왕성 해왕성 등 4개의 행성을 목성형 행성(Jovian planets)이라 구분하기도 한다.행성들을 비교해보면 이 두 분류 사이에 중요한 차이가 있다는 사실을 명확히 알 수 있다. 먼저 지구형 행성은 그 크기가 비교적 작고 원형에 가깝다. 또한 행성을 이루고 있는 ... ...
- 화산·얼음·물과학동아 l199308
- killed 92,000 people, and in 1985, the Colombian Nevado del Ruiz killed 23,000.Since humans still live only on one planet, we are stuck with volcanoes, and should learn as much as possible abou ...
- 화성에도 물이?과학동아 l199306
- the form of steam (this is called, oddly enough, 'outgassing'). On Earth, most of this water from the interior of the planet condensed to form our oceans, but on Mars, water apparently exists o ...
- 최신기술과학동아 l199305
- can't escape to a nice South Sea island — not with pollution lapping the shores and diffusing through the air. The planet is ONE, and we have to face up to the problems of our technology as the ...
- 먼지의 영향과학동아 l199304
- path of sunlight to the moon, but because Earth has an atmosphere, some sunlight bends through it, curving around the planet. The light waves that get through are mostly of long, red light, so ...
- 체온저하증과학동아 l199301
- 꺼내놓는 것이 바람직할 것이다. Winter-and the risk of hypothermia-is on its way to my part of the planet, but right now there's a splendid display of fall foliage in Central Park, where South Africa's Willi ...
- 낮과 밤의 리듬과학동아 l199301
- 밝고 어두움의 리듬을 잘 살피는 것이 좋을 것이다. Rhythmic alterations of day and night rule our planet and everything on it. Several recent news items-about night-work problems, medicine and even farming-all have ...
- 맨틀과 핵과학동아 l199212
- s an outer core of molten nickel and iron, six times wider than the solid inner core that floats in it like a tiny planet 5,000 kilometers beneath our feet. Canadian geophysicist Dr.Douglas Smy ...
- '파이어니어'와의 안녕과학동아 l199212
- similar to the blast which felled trees in Tunguska, Siberia, on June 30, 1908.Unlike Mars, Venus and Earth are both planets with good-sized atmospheres. On Earth, water wipes away the evidence ...
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