The process of space exploration was started in the ancient times, when people were observing various objects from their observatories on the Earth. Hence, the first astronomical principles and rules were found out. Nevertheless, this knowledge was not of any scientific value for the ancient civilizations, as the main aim was the communication with gods, creation of calendars, defining of seasons, etc.

The deeper exploration was started when the first optical systems were invented. Hence, the researchers found new planets, some new stars, and had an opportunity to observe comets and meteors.

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The first flights of the man-created space objects were initiated during the World War II, when German scientists launched V-2 rocket to outer space. Nevertheless, the main aim of these launches was the military attack but not the scientific exploration of the outer space. Anyway, this was an essential step forward in space technology development, as the humanity had an opportunity to launch the research equipment to the orbit, and research the space, including Earth, moon, sun and other space objects.

In accordance with Blair (2002) it should be emphasized that the discovery of such grounds would not only provide habitable lands but also an array of untapped resources. Metallic asteroids are rich in metal components utilized here on earth. As an example, he uses the 2km asteroid discovered in 1986. The metal components contained in that single asteroid amounts to $25.7 trillion in today’s market. Nova Publishers, which has a proven record of accomplishment in providing credible and quality literature, published this book. In addition to this, the author has done other extensive research on this topic and his works features in other literature dealing in the same subject. It is a very resourceful book when it comes to understanding the economic benefits of space exploration.