rocket engine

A rocket engine is a device that propels a spacecraft by expelling high-speed gases to generate thrust, based on Newton's third law of motion. It burns fuel and an oxidizer in a combustion chamber, producing hot gases that are expelled through a nozzle. As these gases rush out in one direction, the rocket is pushed in the opposite direction. This controlled reaction allows the rocket to accelerate and navigate through space or the atmosphere. Rocket engines come in various designs, such as liquid, solid, and hybrid, each optimized for different mission needs.