Is it necessary to explore the outer space?
Human beings had always possessed an innate gift to be curious, to know about himself, the planet he lives and the unfathomable heavenly bodies. He long gazed into the sky, to search and uncover the meaning of the universe hidden deep inside. His conscious mind gets activated to understand deeper about the dynamics of outer space. Humans intangible desire to explore the outer space had been passed on to the generations. Their initial interest began with recognizing patterns in the sky, the movement of the constellations used as a reference by early humans to track eclipses, to measure seasons as well as for navigation across the mighty seas and oceans. Early humans even recorded the motion of the planets. The main heavenly bodies, the Sun and the Moon are related to the recordings to track the time and the calendar on the Earth. Stonehenge is the best example of the knowledge of the sky during prehistoric times which is aligned with the rising and setting of the Sun. With ...