d라이브러리
"year"(으)로 총 112건 검색되었습니다.
- '파이어니어'와의 안녕과학동아 l1992년 12호
- . Since 1989, the Magellan spacecraft has been radar-mapping Venus and it's hoped that it will continue to do so. This year there have been many scientific articles about the Venus data.Venus i ...
- Out Of The Sun 태양으로부터과학동아 l1992년 11호
- of neutrinos from the sun was an exact measure of the nuclear fusion presumably going on inside the sun.Twenty-five years ago, when solar neutrinos were first counted, scientists were startled ...
- 더 많은 복제과학동아 l1992년 10호
- , is mind-boggling, especially to one whose courses in organic chemistry and biochemistry were umpty-ump decades--er--years ago. In June 1992, Santa Fe, N.M., hosted a conference on artificial ...
- 기막힌 풀러렌과학동아 l1992년 08호
- to be a way of producing large quantities of fullerene. Other techniques have been found, so the molecule of the year is doing great this year, too. Fullerene research is going on all ov ...
- 협동과학동아 l1992년 05호
- break up into dickering splinters, and as political parties fight with one another and -especially in a big election year - within their own ranks, it's hard to view humanity as a cooperative a ...
- 멀리있는 실상과학동아 l1992년 05호
- radio telescopes do. In 1983, the new Infrared Astronomical Satellite located 500,000 infrared sources. Less than a year ago, the Rosat satellite's X-ray telescope found many thousands of X-ray ...
- 대규모 탐색 작업과학동아 l1991년 11호
- from hundreds or thousands of light-years away, and if we answered, that answer would take hundreds or thousands of years to reach them.What, then, is the use of trying to reach the extr ...
- 천랑성의 색깔과학동아 l1991년 10호
- 하늘에서 가장 밝은 별은 시리우스, 즉 천랑성(天狼星)인데 이별은 희고 뜨거운 다이아몬드처럼 빛난다. 보통 천랑성과 같은 별은 그 색깔이나 ... category on a diagram that measures stars' absolute magnitude and surface temperature) for more than a billion yea ...
- 식어가는 온천과학동아 l1991년 10호
- hole into a geopressured zone would unleash a gusher of geothermal heat plus a quantity of methane, or natural gas.The years of research has reduced optimism in this respect. But Raymond Fortun ...
- 화산과학동아 l1991년 09호
- blew its top so thoroughly that cubic miles of dust were fired into the stratosphere and remained there for several years before settling. Beautiful sunsets were a by product of this eruption.L ...
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