d라이브러리
"size"(으)로 총 45건 검색되었습니다.- 성단(星団)이라는 측정자과학동아 198805
- have been detected in other nearby galaxies too. It may be that globular clusters can only reach a certain maximum size because if they were any bigger the outermost stars would not be held fir ...
- 감마선의 시사과학동아 198805
- collapse so that its atomic nuclei come into contact, and it becomes a "neutron star." When that happens, a star the size of the sun collapses into a small sphere only eight miles across that s ...
- 태양계의 종말은?과학동아 198803
- generated to keep the sun from collapsing. Gravity will then have its way at last, and then the sun will contract to a size smaller than that of the Earth. Its surface layers will heat up again ...
- 옛 괴물들과학동아 198802
- is alive today. It is the blue whale. It can be up to 90 feet long and weigh up to 130 tons, twice that length and size of the largest dinosaur that ever lived. Nor is it likely that there were ...
- 책의 혁명과학동아 198712
- backward between the pages, to find a particular page quickly, and so on. Such a device also exists and is roughly the size of a ordinary book. Such a scanner can be easily carried, along with ...
