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38 Great Innovations in Aerospace
1. 2.
The concept of _______________ propulsion, The development of the _______________ rocket
which uses jet engines to achieve thrust, by NASA allowed for the first human landing
revolutionized commercial aviation in the 20th on the Moon during the Apollo missions.
century.
3. 4.
The idea of ___________________ propulsion,
The introduction of _______________ technology which relies on ionized gases for thrust, has
allowed for quieter and more fuel-efficient been explored for deep space missions.
commercial jet engines.
5. 6.
The _______________ concept involves using a The development of _______________ materials,
spacecraft’s speed to assist in reaching higher such as carbon composites, has significantly
orbits or interplanetary destinations. reduced the weight and increased the strength
of aircraft structures.
7. 8.
The _________________ engine design, featuring
__________________ systems, used in modern a rotating detonation wave, promises improved
aircraft, improve flight safety and efficiency by fuel efficiency and reduced emissions for future
automating various control functions. spacecraft.
9. 10.
The ______________________ technology, which The ______________________ concept involves
provides real-time satellite-based navigation, is designing spacecraft to use the pressure of
crucial for modern aerospace operations. sunlight for propulsion, potentially enabling
faster space travel.
GPS (Global Positioning System), Solar sail, Turbojet, Gravity assist, Advanced, Fly-by-wire, Saturn V,
Turbofan, Ion, Rotating detonation,
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