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Keywords
- Exploration of outer space3
- Lunar exploration2
- Aeronautics -- Data processing1
- Aeronautics, Commercial -- Management1
- Aerothermodynamics1
- Airlines -- Management1
- Airports -- Management1
- Computer programming1
- Global Positioning System1
- Gravity1
- Jet engines1
- Lunar surface1
- Manned space flight1
- Radio astronomy1
- Reduced gravity environments1
- Space astronomy1
- Space flight to Mars1
- Space flight to the moon1
- Space stations1