Sputnik 1 (Bahasa Rusia: "Спутник-1" sebutan: ˈsputnʲɪk,... - dofaq.co
Sputnik 1 (Bahasa Rusia: "Спутник-1" sebutan: ˈsputnʲɪk,...Sputnik 1 (Bahasa Rusia: "Спутник-1" sebutan: ˈsputnʲɪk, "Satelit-1", ПС-1 (PS-1, i.e. "Простейший Спутник-1", atau Satelit Asas-1)) ialah satelit buatan yang pertama yang dihantar untuk mengelilingi orbit Bumi. Dilancarkan ke orbit rendah bumi oleh Kesatuan Soviet pada 4 Oktober 1957, ia merupakan satelit pertama dalam satu siri satelit yang bersama-sama dikenali sebagai rancangan Sputnik.
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