태그|국제정거장(총 1개의 글)
'국제정거장' 관련 최근글
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- 헉!지구상공 인공위성 1만여개 많기도 하네~
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Reinspirit by jumpjump|04/18 02:08
출처 @ European Space Agency (http://www.esa.int) Description The launch of the first artificial satellite by the Soviet Union in 1957 marked the beginning of the utilization of space for science and commercial activity. During the Col..
- 헉!지구상공 인공위성 1만여개 많기도 하네~
