Tsiolkovsky stated that the speed and range of a rocket were limited only by the Blank 1 Вопрос 1exhaust Blank 2 Вопрос 1velocity of escaping gases.
In 1915, Goddard began to try various types of Blank 3 Вопрос 1solid Blank 4 Вопрос 1fuels and to measure the exhaust velocities of the burning gases.
Fuel and oxygen tanks turbines,and Blank 5 Вопрос 1combustion Blank 6 Вопрос 1chambers would be needed for rocket propulsion.
Goddard's gasoline rocket was the Blank 7 Вопрос 1forerunner of a whole new era in rocket Blank 8 Вопрос 1flight .
Parachute Blank 9 Вопрос 1recovery Blank 10 Вопрос 1systems were employed to return rockets and instruments safely.