Physics & Cosmology

Anthropic Principle

alternative Contemporary 1973

Argues that observed physical constants must be compatible with the existence of observers, which explains why we find ourselves in a universe fine-tuned for life — without invoking design.

Proponents

Brandon Carter

Evidence For

A selection-effect argument that is logically valid and widely used alongside multiverse theories to explain fine-tuning.

Evidence Against

Critics argue it can become an unfalsifiable explanation that discourages seeking deeper physical causes for constants.

Transmissions

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