Anthropic principle

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In physics and cosmology, the anthropic principle is the philosophical argument that observations of the physical Universe must be compatible with the conscious life that observes it. Some proponents of the argument reason that it explains why the Universe has the age and the fundamental physical constants necessary to accommodate conscious life. As a result, they believe that the fact that the Universe's fundamental constants are within the narrow range thought to allow life is not remarkable.


Definition and basis

The principle was formulated as a response to a series of observations that the laws of nature and parameters of the Universe take on values that are consistent with conditions for life as we know it rather than a set of values that would not be consistent with life as observed on Earth. The anthropic principle states that this phenomenon is a necessity because living observers wouldn't be able to exist, and hence, observe the Universe, were these laws and constants not constituted in this way.

The term anthropic in "anthropic principle" has been argued [1] to be a misnomer.[2] While singling out our kind of carbon-based life, none of the finely tuned phenomena require human life or demand that carbon-based life develop intelligence,[3][4] however the detection and formulation of this principle, born from a long and laborious history of scientific observations, trials and errors, studying, ingenuity and inventions of necessary instrumentation, does make this an intellectual domain exclusive to humans above all other life forms on Earth and beyond, so far as science has observed. Both the scientific principles and the intelligence required for their detection are non-material phenomena and transcend carbon-based life forms which said non-material phenomena give rise to in the first place through the observed scientific principles and laws governing them moment by moment.

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