Example image of eyePlorer eyePlorer map for 'Space Race': Soviet Union United States Human spaceflight Moon Outer space Satellite 1957 October 4 Sputnik 1 Nuclear arms race Cold War Space technology Rocket China Technology of the Song Dynasty Konstantin Tsiolkovsky Liquid-fuel rocket Multistage rocket Rocket science Tsiolkovsky rocket equation Robert H. Goddard Weimar Republic Artillery Reichswehr Treaty of Versailles Wehrmacht Nazi Germany Wernher von Braun World War II V-2 Warhead Allies of World War II Peenemünde Operation Paperclip Space Age Cosmic ray Earth's atmosphere Espionage Propaganda Aerial refueling Intercontinental ballistic missile MX-774 International Geophysical Year Project Vanguard Laika Sputnik 2 Cape Canaveral Vanguard TV3 Explorer 1 Explorer program