History Flashcards
When did space research start?
1950’s
What is a rocket? How does it move?
Uses action and reaction force of expanding gases and therefore works in vacuum
Rocket engine exhaust is formed entirely from propellants and oxidizers carried within the rocket
Oxidizer can be part of, or separate from fuel
First book on rockets?
Konstantine Tsiolkovsky, 1903
Who was Robert H. Goddard?
Wrote a book on rockets in 1920 and has launched the first liquid-fuel rocket
How was the NYT wrong? Why did they wait to retract it?
They did not understand the principle, and they waited until the day after the first Apollo launch, possibly because they thought that that was enough proof
Who was Herman Oberth?
Published a book on rockets in 1923