In 2018, physicist Adam Frank and climate scientist Gavin Schmidt asked a question that quietly reframes humanity's place in deep time: if an advanced civilization had risen and fallen on Earth millions of years ago, would geology even remember it? Their thought experiment — the Silurian hypothesis — is less a claim about the past than a meditation on the limits of knowledge itself, and on what it means to leave a mark on a world that is always, slowly, erasing its own memory.
sciencefocus.com
· Jun 11, 2025
· technology
· 2 min de lectura
High
Verificación: Verificado
Could Earth have hosted an advanced civilization millions of years ago?
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Health & Medicine
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Sesgo y Encuadre
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Impacto Geopolítico
🌎
Scientific hypothesis explores whether pre-human advanced civilizations could have existed on Earth millions of years ago, with implications for understanding civilization detection and planetary history.
Escalation Risk
low
Confidence
LOW
Lente Económico
📈
Speculative scientific hypothesis about undetectable pre-human civilizations has no direct economic implications; purely theoretical exploration of geological evidence limitations.
Market Signal
neutral
Confidence
LOW
No direct consumer impact. This is theoretical scientific inquiry with no bearing on current economic activity, pricing, or household finances.
No immediate policy implications. However, the underlying research methodology regarding climate change detection and geological record analysis could inform long-term environmental monitoring and climate science policy frameworks.