d라이브러리
"sun"(으)로 총 100건 검색되었습니다.
- 아시모프의 삶과 꿈과학동아 l199205
- 로봇소설은 일관된 배경을 두고 '강철도시'(The Caves of Steel, 1954) '벌거벗은 태양'(The Naked Sun, 1957) 등 수많은 걸작들이 쏟아져서 마침내 로봇의 눈으로 인간의 부조리를 날카롭게 파헤친 휴고상 수상작 '2백살을 맞은 사나이'(The Bicentennial Man, 1976)와 같은 걸작을 낳는 밑거름이 ...
- 왜 소행성들을 관찰하는가?과학동아 l199201
- we find out about these objects that are so small we can only see them as points of light? For one thing, they reflect sunlight, and we can pick up those reflections with sufficient precision(t ...
- 시라노 드 베르주락과학동아 l199112
- he was only 36), the first authorized edition of the book was published in 1656, and its sequel " A Voyage to The Sun" in 1662.The most interesting portion of the book was Cyrano's description ...
- 천랑성의 색깔과학동아 l199110
- 10 percent of the stars in our galaxy are sun-like.Sirius, incidentally, is considerbly larger and brighter than our sun and it can't support life, either. For one thing, it sould not re ...
- 1. 트랜지스터 1백만개 이상 집적과학동아 l199109
- 사라졌다는 말인가. 그렇지 않다. 사라져가는 것도 있으나 모토롤러의 68000계열, 또 선(Sun)사의 스파크, 밉스사(MIPS)의 밉스 등 더 많은 종류가 출현하고 있다. 그렇다면 이런 회사들은 PC 이외의 어디에 마이크로프로세서를 쓰는 것일까. 대부분 워크스테이션이나, IBM PC계열이 아닌 독자계열 PC ... ...
- 더 밝은 물체과학동아 l199109
- might actually decide that it is important whether galaxies formed quickly or slowly, since that would mean that the sun and Earth would either have formed or not, as the case might be. If the ...
- 찾기 힘든 쿼크를 찾아서과학동아 l199107
- to 15,000,000,000,000,000(15 quadrillion U.S.) grams per cubic centimeter. A neutron star can squeeze the mass of a sun into a small globe of perhaps 8 miles (13 kilometers) across.Such neutron ...
- 아인슈타인은 역시 옳았다.과학동아 l199106
- be how the universe worked.Thus, when they did perform an experiment in 1919, nothing the position of stars near the sun during a total eclipse, they got certain displacements because the su ...
- 왜 밤하늘은 어두운가?과학동아 l199106
- be lit up by this cloud of infinite stars, so that it would all shine as brightly and as hotly as the surface of the sun. Life would be impossible.And yet, for some reason, the sky is black. Th ...
- 빛의 굴절과학동아 l199104
- seemed slightly out of position because of such bending.Suppose some distant source of light sent rays past the sun on all sides, and the light was bent everywhere so that it came to a focus. ...
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