What Is a Cryogenic Engine? ISRO’s Rocket Technology Explained

Editorial illustration of a cryogenic rocket engine using liquid hydrogen and oxygen in an Indian launch vehicle.

What Is a Cryogenic Engine? A cryogenic engine is a rocket engine that uses propellants kept at extremely low temperatures, usually liquid hydrogen as fuel and liquid oxygen as the oxidiser. In simple terms, it burns very light hydrogen with oxygen to create hot, expanding gases that rush through a nozzle and push the rocket … Read more