Related by context. Frequent words. (Click for all words.) 65 Shenzhou 56 astronauts 55 cosmonauts 53 Chang'e 52 Zhai 52 manned spacecraft 52 lunar probe 50 Padalka 50 cosmonaut 50 Wakata 49 manned missions 48 Fei 48 International Space Station 48 Chiao 47 spacecraft 47 orbiters 47 manned spaceflight 47 Soyuz TMA 46 Russian cosmonauts 46 spacewalk 46 lunar exploration 45 orbiter 45 Soyuz spacecraft 45 astronaut 45 Soyuz 44 Yuri Gagarin 44 shuttle Atlantis 44 Gagarin 44 spacewalks 44 Soyuz capsule 44 Space Agency 43 Endeavour astronauts 43 Great Wall 43 Jiang 43 Hu 43 Chandrayaan 43 Wen 43 Astronauts 43 spacesuits 43 Chinese 43 Discovery astronauts 43 orbiting laboratory 43 lunar 43 Russian Soyuz spacecraft 43 JAXA 43 spacesuit 42 spacewalking 42 space shuttle Discovery 42 Baikonur Cosmodrome 42 orbit 42 orbiting 41 spaceship 41 Xiao 41 shuttle Endeavour 41 shuttle astronauts 41 Inner Mongolia 41 Nasa 41 Wu Dawei 41 shuttle Discovery 41 astronauts aboard 41 NASA 40 Qin 40 space shuttle Endeavour 40 Atlantis astronauts 40 ISS 40 President Hu Jintao 40 Korolyov 40 Zhengzhou 39 Jia 39 Gansu province 39 Qian 39 Xinhua 39 lunar landing 39 DPRK 39 People Liberation 39 NASA astronaut 39 Japan Aerospace Exploration 39 Premier Wen 39 lunar surface 39 Zhang 39 ¡ ¡ ¡ ¡ 39 Sina.com 39 ISRO 39 rovers 39 Xu 39 spaceflight 39 Hohhot 39 giant pandas 39 Dongfeng 38 Changsha 38 Zhong 38 lander 38 Zhongshan 38 weightlessness 38 Fincke 38 Space Station 38 Russian Soyuz 38 Jian 38 Anhui 38 Space Shuttle Discovery 38 Guo