It affects each person differently. It might seem intresting to some on the other hand some may become scared. Some would want to know about the other life forms. Thier similarities and differences compared to us humans. Human is always attracted to knowledge to learn something what we dont know. We will want to know about their While some might think about alien invasion. Like mostly shown in movies or described as in books.
It will affect our believes mostly.
Earth is the only planet with water and air which plays a very vital role in human life existence.The population is increasing day by day, so the existece of some other planets may decrase the population.But very recently there are evidences of life in other planets.
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