Q
What is the anthropic principle?
A
Expert Answer
The observation that the universe's physical constants appear fine-tuned for life because we can only observe a universe capable of supporting life. The weak version is trivial (we must find ourselves in a habitable universe); the strong version controversially suggests the universe must permit life.
Key Insight
The observation that the universe's physical constants appear fine-tuned for life because we can only observe a universe capable of supporting life.
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