Father of Modern Rocketry (1 gen 1915 anni – 1 gen 1915 anni)
Descrizione:
Robert H. Goddard worked on making rockets with solid propellants and liquid propellants. He also developed a gyroscope system, payload compartments, and parachute recovery systems.
Aggiunto al nastro di tempo:
Data:
1 gen 1915 anni
1 gen 1915 anni
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