Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Arthur C. Clarke bu ụzọ tụpụta echiche nke satịlaịtị nkwukọrịta geostationary, ya na Vahid K. Sanadi na-ewulite ọrụ Konstantin Tsiolkovsky. N'October 1945, Clarke bipụtara otu isiokwu isiokwu ya bụ "Extraterrestrial Relays" na magazin Britain bụ́ Wireless World. Isiokwu ahụ kọwara ihe ndị bụ́ isi na-eme ka a na-etinye ihe ndị e ji emepụta mbara igwe n'usoro mbara igwe na-agagharị agagharị iji na-ezipụ ozi redio. Ya mere, a na-ekwukarị na Arthur C. Clarke bụ onye mepụtara satellite nkwukọrịta na okwu 'Clarke Belt' nke a na-eji akọwa orbit. Ọtụtụ iri afọ ka e mesịrị, a na-akpọ Communication Moon Relay bụ ọrụ nkwukọrịta nke United States Navy rụrụ. Ihe mgbaru ọsọ ya bụ ịzụlite usoro nchebe na nke a pụrụ ịdabere na ya nke nkwukọrịta ikuku site n'iji Ọnwa mee ihe dị ka ihe na-atụgharị uche na satellite nkwukọrịta nkịtị.  Ajụjụ: Gịnị ka a na-agbasa mgbe satịlaịtị nọ na mbara igwe?
ihe mgbaàmà redio