Introduction
Human beings started the space missions in mid 20th century as they sought to understand what makes up the earth and other parts of the solar system. The space missions have been mostly concerned with the exploration of the space components and their environs. This has helped astronomers as they seek out to know what the solar system is composed of together with what they can do to these processes.
The first space exploration to be analyzed is the Mercury which took place from the 20th February 1962. Several astronauts used the Atlas rocket to make orbits around ...