関連ワード:  which country launched the first artificial satellite    which country launched the first artificial satellite sputnik into space    which country launched the first artificial satellite sputnik 1    which country launched the first artificial satellite in space    which country launched the first artificial satellite to orbit earth    which country launched the first artificial satellite and what was it called    which country launched the first artificial satellite sputnik 1 in 1957    which country launched the first artificial satellite sputnik during cold war    which country launched the first man made satellite    which country launched the first man made satellite in 1957  
結果 : which country launched the first artificial satellite