It has been argued that the evolution of order in living systems and certain non-living physical systems obeys a common fundamental principle termed the "The Darwinian Dynamic" that can be represented by set of related equations.Thus evolution of life on Earth can be viewed as a special case of systems that evolve macroscopically ordered structures. That all such ordered systems appear to share a common dynamic indicates that "life", wherever it might exist in the universe, may evolve according to a common dynamic principle. Several hypotheses have been proposed about the possible basis of alien life from a biochemical, evolutionary ormorphological viewpoint.Alien life, such as microorganisms, has been hypothesized to exist in the Solar System and throughout the universe. This hypothesis relies on the vast size and consistent physical laws of the observable universe. According to this argument, made by scientists such as Carl Sagan and Stephen Hawking,it would be improbable for life not to exist somewhere other than Earth.This argument is embodied in the Copernican principle, which states that Earth does not occupy a unique position in the Universe, and the mediocrity principle, which suggests that there is nothing special about life on Earth. Such sightings throughout history often were treated as supernatural portents, angels, aliensextraterrestrial, extraterrestrial life or other religious omens. Some current-day Search for Extraterrestrial or UFO researchers have noticed similarities between some religious symbols in medieval paintings and UFO reports though the canonical and symbolic character of such images is documented by art historians placing more conventional religious interpretations on such images with regards to the Evidence of Extraterrestrial beings who visited Earth. Alien life, such as microorganisms, has been hypothesized to exist in the Solar System and throughout the universe. According to this argument, made by scientists such as Carl Sagan and Stephen Hawking, it would be improbable for life not to exist somewhere other than Earth. This argument is embodied in the Copernican principle, which states that Earth does not occupy a unique position in the Universe, and the mediocrity principle, which suggests that there is nothing special about life on Earth. Astrobiologists have also considered a "follow the energy" view of potential habitats. No widely accepted evidence of extraterrestrial life has been found; however, various controversial claims have been made. Beliefs that some unidentified flying objects are of extraterrestrial origin, along with claims of alien abduction, are dismissed by most scientists. Most UFO sightings are explained either as sightings of Earth-based aircraft or known astronomical objects, or as hoaxes. In November 2011, the White House released an official response to two petitions asking the U.S. government to acknowledge formally that aliens have visited Earth and to disclose any intentional withholding of government interactions with extraterrestrial beings. According to the response, "The U.S. government has no evidence that any life exists outside our planet, or that an extraterrestrial presence has contacted or engaged any member of the human race. Also, according to the response, there is "no credible information to suggest that any evidence is being hidden from the public's eye. The response further noted that efforts, like SETI, the Kepler space telescope and the NASA Mars rover, continue looking for signs of life. The response noted "odds are pretty high" that there may be life on other planets but "the odds of us making contact with any of them especially any intelligent ones are extremely small, given the distances involved. There are many sources of Aliens and UFOs / UFO Sightings like for example: wikileaksufo disclosure, wikileaksufo documents, wikileaksufo files, wikileaksufo and so on… you can search also this following words for more info. aboutextraterrestrial life. Real ufo, recent ufo, Roswell UFO, China UFO, etc. or just search simple UFO if you are interested in this field.
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