Essay on If No Man Has Gone Before

2480 Words Nov 18th, 2016 10 Pages
Where No Man Has Gone Before “Two possibilities exist: Either we are alone in the universe or we are not. Both are equally terrifying” (A.C. Clarke, n.d.) Since the discovery of the greater universe, mankind has looked to the stars and wondered whether or not other forms of intelligent life were among them. Some say that humanity is alone in the cold void of outer space, claiming that other civilizations would have found Earth by now had they existed in the first place. Others believe that intelligent life is living just a few light years away, waiting for humanity to pay a visit. There are even some individuals that believe that alien life is the cause of human life to form on Earth. Until conclusive evidence is discovered, the debate will always be open for discussion.
Those who claim that alien life look toward the ever present possibility of an alien civilization having formed far beyond any point in the universe that humanity can reach. N. Tyson is one such individual. Tyson (2003) claims “To declare that Earth must be the only planet in the cosmos with life would be inexcusably egocentric of us” (para. 2). This means the absence of alien life in the universe is even less probable than the possibility that alien life does exist in some undiscovered corner of the galaxy, given how large the universe is and how diverse the environments of undiscovered planets could be. Tyson also sites the diversity of life on Earth as possible evidence of the diversity of alien species…

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