FSRI ALE - History of Rocketry

KNOWLEDGE CHECK
	Select the option that best completes the following sentence. Tsiolkovsky and Goddard both independently recognized liquid fuel was required for spaceflight because: Liquid fuels were extremely lightweight. The rocket equation required fluid dynamics. Explosive solid mixtures were far too dangerous. The existing solid fuels simply did not have the power. You are correct! The answer is D. Tsiolkovsky and Goddard both independently recognized that the existing solid fuels of this time simply did not have sufficient power. The correct answer is D. Tsiolkovsky and Goddard both independently recognized that the existing solid fuels of this time simply did not have sufficient power.
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