How the rocket motion

The rocket ; If you talk about it must be something that floating in the space and NASA. Well, how it's floating and mechanism.
             
                  There are components of rocket  that can use to explode the bottom of rocket and use that energy to drive the rocket it's involved to The third of Newton's Law said "Action = Reaction"

               

       "Action = Reaction"

From this picture action force   from exploding equal force that use for rocket motion.