Can You Observe a Typical Universe?

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The moment you started observing reality, you hopelessly polluted any conclusions you might make about it. The anthropic principle guarantees that you are NOT seeing the universe in most typical state. But used correctly, this highly controversial idea can be extremely powerful. So, how do you correctly use the anthropic principle?

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Written by Matt O'Dowd
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According to the original definitions by Brandon Carter, the weak anthropic principle states that we must live in a place and time in the universe capable of supporting observers - in our case, a habitable biosphere, and the strong anthropic principle, which states that the universe itself must have the conditions necessary for producing environments that, in turn, produce observers. That means the fundamental constants and initial conditions of the universe must be just right to allow nice habitable planets to one day form. Let’s just call it the anthropic principle: we necessarily observe from an environment capable of producing observers; be that environment a planet within a universe or a universe within a multiverse.

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Видео Can You Observe a Typical Universe? канала PBS Space Time