Unexplainable Aliens from Earth?
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Mar 6, 2024 The podcast explores the intriguing concept of aliens causing climate change and the possibility of pre-human technologically advanced civilizations. It also delves into detecting long-lived civilizations in the geologic record and contemplates the Silurian hypothesis for modern society.
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Silurian Hypothesis Explained
- The Silurian Hypothesis suggests an advanced civilization might have existed on Earth before humans.
- This idea expands the search for intelligent life to include deep time, not just outer space.
Earth's Surface Erases History
- Earth's surface is constantly renewed, erasing most direct evidence of ancient civilizations.
- Even grand human monuments like the Pyramids won't survive millions of years.
Signs of Civilization in Geology
- Future scientists would likely detect humanity's existence through isotope signals and chemical waste, not monuments.
- Plastics and changes in carbon and nitrogen isotopes could survive for millions of years in sediment layers.