Introduction
A spaceship is a special aircraft designed and built to fly in the outer space. Spaceships are used to explore the universe, collect weather information, observe the earth and launch communication satellites. Currently, there are over seventy countries that have space programs. The notable ones include United States, Russia, China, India, United Kingdom and North Korea. These countries spend billions of dollars in space technology each year. It takes an average of about twenty years to build and launch spaceship into the space. This is because space ship building requires the highest level of precision. This time can be reduced ...