User:POINT TO BE NOTED

SPACESHIP As by neuton 3rd law [that to every action there is always an opposite reaction] so in space there is no air particles so this law is impossible in the space. The question arises there that how the space ship continue its movement. As from some places i learned it that the space ship release a baloon filled with air which release air with high pressure after the space ship which accelerates the space ship. In thats way the space ship continue its movement