Space Travel- The Limitless Outer Space

Every boy's dream was to be able to fly and " explore strange new worlds, to seek out new life and new civilisations, and to boldly go where no man has gone before". This will soon become reality. In 1957, Sputnik entered a world thought to be out of grasp,allowing humankind to broaden its horizons and to discover the unknown. How did it all starts and where are we heading to?