Example image of eyePlorer eyePlorer map for 'Sputnik 1': Satellite Low Earth orbit Soviet Union Sputnik program Cold War Space Race Sputnik crisis United States Ionosphere Radio Meteoroid Nitrogen Baikonur Cosmodrome Gagarin's Start International Geophysical Year Kazakh Soviet Socialist Republic Tyuratam Amateur radio Hertz Earth's atmosphere Dmitriy Ustinov Sergey Korolyov Mikhail Tikhonravov Dwight D. Eisenhower President of the United States Politburo of the Central Committee of the Communist Party of the Soviet Union R-7 Semyorka Government of the Soviet Union Gyroscope Russian Academy of Sciences S.P. Korolev Rocket and Space Corporation Energia Telemetry Cosmic ray Ion Magnetic field Sunlight Specific impulse Sputnik 3 Intercontinental ballistic missile Multistage rocket Central Committee of the Communist Party of the Soviet Union Proving ground Reconnaissance Flight control surfaces Moscow Time Thermodynamics Telegraph Agency of the Soviet Union Thrust OKB Transponder
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