Lee ebe a n'okpuru ma zaa ajụjụ ahụ n'otu asụsụ ahụ dị ka ebe a: Ebe a: Salomon August Andrée kesara ịnụ ọkụ n'obi ndị a, ma tụpụta atụmatụ maka ikwe ka ifufe mee ka balloon hydrogen si Svalbard gafee Oké Osimiri Arctic ruo Bering Strait, iji bulie na Alaska, Canada, ma ọ bụ Russia, ma gafee nso ma ọ bụ ọbụna n'elu North Pole n'ụzọ. Andrée bụ onye injinia na ụlọ ọrụ patent na Stockholm, nwere mmasị na ballooning. Ajụjụ: Kedu osisi ka balloon kwesịrị ịgafe?
Ugwu Ugwu