The Silurian Hypothesis

[Moontanman]

The Silurian hypothesis has to do with the ability of modern science to find evidence of a past civilization from a stone age to a civilization equal to ours. 

What would we expect on earth and in the rest of the solar system? 

https://www.extremetech.com/extreme/267855-silurian-hypothesis-what-if-humans-arent-the-first-civilization-on-earth

https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/silurian-hypothesis-would-it-be-possible-to-detect-an-industrial-civilization-in-the-geological-record/77818514AA6907750B8F4339F7C70EC6