The British astrophysicist Stephen Hawking has no doubts about the existence of extraterrestrials, and warns against contact. "In my mathematical brain, the numbers alone make thinking about aliens perfectly rational," said the 68-year-olds in the documentary series "Into The Universe with Stephen Hawking" on Channel Discovery Channel. "The real challenge is figuring out what aliens really are."
The universe was calculated 100 billion galaxies with hundreds of millions of stars, Hawking from the viewers. In such a space, it is unlikely that the Earth is the only planet on which there is life. Most extraterrestrial life might correspond to microbes and simple animals. They would probably pounce move over the earth's resources and said the scientist.
Making contact with such a species is "a little too risky," said the astrophysicist. "If aliens ever visit us, the output is, I think, be like the landing of Christopher Columbus in America, what the natives did not go out very well."
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