Related by context. Frequent words. (Click for all words.) 59 Yuri Gagarin 57 Wernher von Braun 54 Gagarin 51 manned spacecraft 50 Korolyov 50 Roskosmos 50 Yang Liwei 50 von Braun 49 Soviet cosmonaut Yuri Gagarin 49 Sputnik satellite 49 Academician 49 cosmonaut 48 Energiya 48 Vladislav Surkov 48 Edward Teller 48 Soviet 48 Pyotr 47 Sergei 47 Anatoly Perminov 47 Grigory 47 Anatoly 47 Andrei Sakharov 46 Yevgeny 46 Von Braun 46 Anatoli 46 Baikonur Kazakhstan 46 Jean Jacques Dordain 46 Nikolayev 46 Yuri 46 Vasily 46 manned spaceflight 46 Roscosmos 45 Simonov 45 Surkov 45 Alexei 45 Baikonur 45 planetary missions 45 Andrei Tarkovsky 45 Nikolay 45 Stalin purges 45 dictator Josef Stalin 45 Czar Alexander 45 Konstantin 44 Vikram Sarabhai Space 44 Fyodor 44 Bolshevik revolution 44 Aleksandr 44 Heydar Aliyev 44 Luzhkov 44 Mercury Gemini 44 Aushev 44 Yury 44 Alexey 44 Safronov 44 Gennady 44 Ilan Ramon 44 G Madhavan Nair 44 Melnikov 44 astronaut Yang Liwei 44 Oleg 44 Kim Il sung 44 KGB 44 Shenzhou V 44 Aleksey 43 Shcherbakov 43 Richard Garriott 43 Sputnik 43 Vasilyev 43 Chubais 43 astronautics 43 Soviet Union 43 Volkov 43 Johannes Kepler 43 ISRO 43 Nie Haisheng 43 manned missions 43 Valeriy 43 cosmonauts 43 Andropov 43 Soviet dissident 43 spaceflight 43 Sergey Ivanov 43 Russian 43 Soviet KGB 43 perestroika 43 Mikhail 43 Mstislav Rostropovich 43 Russias 43 administrator Sean O'Keefe 43 Bulava 43 Alexander Solzhenitsyn 43 Sakharov 42 Glonass 42 Kremlin 42 Vostok 42 Perminov 42 NKVD 42 Andrei 42 Vlasov 42 Ginzburg 42 KGB successor