in extreme climate fluctuations, in which life will unlikely to form. (Andreadis, 1998) The attribution of our planet itself also has a great impact of life forming. Our planets atmosphere has the ability to block out destructive UV radiation from the sun.If the Big Bang theory is correct and accurate enough, we are now about 13 billion years after the Big Bang. Between this period of time, the formation of the universe, stars and their stellar systems took place. When we add the time it takes for evolution to proceed, even if such civilizations do exist, it is very difficult to imagine the thought of a civilization, which might have evolved a few million years ahead of us. However, the existence of microbes in the universe is very possible. The search for extraterrestrial life will continue and we have to be patient since the communication really takes time. Actual proof of their existence will have to await advances in the technology of biology and astronomy. ...
