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- 거리 측정과학동아 l199105
- 20 billion. In fact, recent studies have shown that galaxies exist in such large clumps that even 20 billion years may not offer enough time for those clumps to form.Now, though with a reasonab ...
- 고향 찾아가는 희귀한 말과학동아 l199104
- the Przewalski horses will be placed in a Mongolian area where ordinary horses are not found and where they will not be permitted to enter. In that way, this different horse may be pres ...
- 빛의 굴절과학동아 l199104
- 글랜 랭스톤씨가 지휘하는 미국 국립전파천문대의 천문학팀은 지난 1990년 하늘에서 조그마한 고리모양의 전파를 관측하였다. 이와같은 발견은 두번 ... the mass of the intervening galaxy seems to be between 8 and 16 times the mass of the stars we can see in it. This ...
- 허블 망원경이 찍은 대폭풍과학동아 l199103
- the HST. It had been made such a laughing stock that the general public has not been given a chance to realize it is not a total failure. Its studies of Saturn prove that.Secondly, the g ...
- 배타의 원리과학동아 l199103
- expect it to. Someone suspect that in the extreme conditions of the sun's center, the exclusion principle might not hold very well and that this might lead to a neutrino shortage.(c) 1991, Los ...
- 줄어드는 삼각주과학동아 l199102
- has cut down on the amount of silt that reaches the delta. The silt already present is slowly sinking, and since not enough silt is coming in to replace that which is sinking, that means that ...
- 잡아먹히지 않는 신비로운 나비과학동아 l199102
- the bees.Again, although there are carnivorous plants that trap and digest insects, there are some insects that are not concerned about this because they have developed methods that allow them ...
- 블랙홀이 지구에도 있는가?과학동아 l199101
- bangexploding. If so, they haven't been caught at it. The characteristic production of the appropriate gamma rays has not been spotted.However, just happening to catch one at the moment of expl ...
- 일본의 기술과학동아 l199101
- Of course, the chief problem is that all such dreams can so easily be turned into nightmares through side effects not properly taken into account. Large projects must be approached cautiously!( ...
- 로봇 곤충들과학동아 l199012
- and it is not easy for any scientist to come up with an idea about robots that I haven't imagined at one time or another.In a story I wrote in 1974 entitled "That Thou Art Mindful of Hi ...
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