Father of Modern Rocketry (1 янв 1915 г. – 1 янв 1915 г.)
Описание:
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.Добавлено на ленту времени:
Дата:
1 янв 1915 г.
1 янв 1915 г.
~ 0 min