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d라이브러리
"earth"(으)로 총 218건 검색되었습니다.
- 1 우리도 우주산업시대 저궤도 위성에 눈을 돌려라과학동아 1992년 09호
- 발상과는 비교도 되지 않을 만큼의 획기적 전환이 예견된다. 이는 '지구저궤도'(LEO, Low Earth Orbit)를 이용하자는 발상이다.정지 위성체에 비해 지구 표면에서 2백~2천㎞ 떨어진 궤도를 도는 위성체를 지구저궤도 위성체(LEO Satellite)라고 하는데, 이는 지구의 특정 지역에 있지 않고 지구를 13~14희 정도 ... ...
- 기막힌 풀러렌과학동아 1992년 08호
- practical applications that thrill science fiction buffs. Some day humans won't have to burn rocket fuel to get off Earth and keep going. Maybe we'll soon be using fullerenes, for right now the ...
- 밝은 성단(星團)과학동아 1992년 08호
- formed when ordinary stars use up their energy resources and collapse to small dense objects whose radio signals reach Earth as pulses because the star rotates. Most pulsars rotate about once a ...
- 머리좋은 생물들과학동아 1992년 07호
- HOMO SAPIENS SAPIENS is a name redolent with hubris, for we humans do believe we're the smartest creatures on Earth. For centuries we thought no other creature had anything in the head worth br ...
- 오늘날의 로봇과학동아 1992년 07호
- down into ocean depths to examine strange creatures living on bacteria that eat the sulfur coming out of cracks in the Earth's crust.We can't do any of these things ourselves. But whether a rob ...
- 단백질의 위력과학동아 1992년 06호
- diffraction. It was found that in spite of the theoretically mammoth number of possible amino acids, proteins here on Earth contain only 20 varieties. It's quite probable that steak from anotho ...
- 멀리있는 실상과학동아 1992년 05호
- us.If the senior writer had come from a spaceship in 1920, he'd have seen the reality of the universe better than any Earthman. He'd have been amused by that year's debate between astronomers H ...
- 협동과학동아 1992년 05호
- a cooperative animal. But human beings ARE socially cooperative, very much part of a biologically cooperative planet Earth. When we aren't cooperative, the results are grim and easy to see. It' ...
- 바퀴벌레와 컴퓨터과학동아 1992년 04호
- humans have existed, and computers are younger than I am. The cockroach pedigree is impressive-phylum Arthropoda (on Earth for 630 million years), subphylum Uniramia, subclass Pterygota, class ...
- Genes In Action 활동하는 유전자과학동아 1992년 03호
- trying to keep young, genetic engineering is important to all of us.Everything's connected. The diversity of life on Earth is intricately interwoven, The parts overlapping, protecting each othe ...
