Dictionary

Rocket

Rocket


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A rocket It is the vehicle that has allowed man to leave Earth to begin the great epic of space exploration. Known since ancient times and used for centuries as an instrument of war, only for a relatively short time has the rocket been considered as a peaceful means of propulsion capable of overcoming the force of attraction that holds us together with our planet.

Its effective development began shortly after the Second World War and after having been, once again, employed by man as an instrument of death.

Rocket usually means an aerodynamic spindle that contains a jet engine inside, the propellant tanks and the so-called "payload" for transport, and that is capable of rising vertically or with a certain inclination from the ground or from the air.

The heart of a vehicle of this type is the jet engine or rocket, which is in a position to provide the necessary thrust to its movement taking advantage of the physical principle of action and reaction. Based on this principle, enunciated for the first time by Isaac Newton (1642-1727), every action corresponds to an equal and opposite reaction (third law of movement). In this engine the action is represented by a flow of particles produced by means of chemical and / or physical processes of various types, which are expelled at very high speeds in a certain direction; The reaction, on the other hand, is represented by the movement of the vehicle in the opposite direction to that in which the particles are expelled.


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