Exploration Outer space 49 Astronautics 17 Manned space flight 16 Astronauts 15 Space flight 12 History 10 Mars (Planet) 8 Astronautics and state 4 Research 4 Research and development contracts 4 Saturn (Planet) 4 Science 4 Sheikh Muszaphar Shukor Al-Masrie, 1972- 4 Technology 4 Artificial satellites in telecommunication 3 Astronomy 3 Equipment and supplies 3 Moon 3 Pictorial works 3 Planets 3 Radio antennas 3 Space flight to Mars 3 Space vehicles 3 Automatic control 2 Biography 2 Business 2 Case studies 2 Computer systems 2 Data processing 2