Unfortunately a gun can’t get anything to the moon. The fastest a projectile can be made to go is the speed of sound (the expanding hot gasses are traveling just that fast). The Apollo rocket broke the sound barrier before it had gone its own length.
Unfortunately a gun can’t get anything to the moon. The fastest a projectile can be made to go is the speed of sound (the expanding hot gasses are traveling just that fast). The Apollo rocket broke the sound barrier before it had gone its own length.