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d라이브러리
"ever"(으)로 총 47건 검색되었습니다.- 빛의 굴절과학동아 1991년 04호
- that while the gravitational lens was an interesting theoretical concept, it was not something that could possibly ever be observed.But then in 1963, quasars were observed. These are very brigh ...
- 허블 망원경이 찍은 대폭풍과학동아 1991년 03호
- with a defective mirror so that it cannot do all the things astronomers would like to have it do. Somethings, however, it can still do, and one of them is to observe Saturn from space and get f ...
- 생명체의 분류과학동아 1990년 12호
- Woese calls "Eucarya," evolved. These are made up of cells containing nuclei.The Eucarya are the only life forms that ever developed in the multicellular direction. Some Eucarya developed into ...
- 도도새 같은 죽음과학동아 1990년 11호
- they disappeared from the wild. By 1698, the last dodo was dead, and a really magnificent and unusual organism was forever gone. The related species on neighboring islands were also wiped out w ...
- 보이지 않았던 별과학동아 1990년 09호
- also reported the appearance of the bright star of 1054.The supernova of 1054 was sufficiently spectacular, however, that it need not have been reported only by astronomers in nations with adva ...
- 상처를 찾아라과학동아 1990년 08호
- Negotiating permission to work in a hostile Cuba is not easy, so they are forced to go by second -hand descriptions.Nevertheless, it would seem that the search is narrowing and that, before ve ...
- 박테리아 광부들과학동아 1990년 08호
- 아이다호 국립 공학 연구소에 있는 과학자팀은 1990년 4월에 저급의 광석에서 코발트를 추출하는 데 박테리아를 이용해 왔다고 보고했다.이것은 인간이 지난 5천년 동안 몰두해 ... proper kind of what is to them nutritious rock, and they will them recycle the metals for us. In t ...
- 원자 하나씩과학동아 1990년 07호
- Arthur H. Compton, showed that it consisted of waves that were about the size of X-ray waves. Electrons, however, could be easily focused and they could be reflected from matter, too. As a res ...
- 종족의 보존과학동아 1990년 06호
- effort will be made to preserve 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 ...
- 우주의 형성과학동아 1990년 06호
- effect of all the others, according to the known rules of how this force works.It was the largest such simulation ever done, and behold, on the computer screen, the dots of matter formed into s ...
