O planeta Terra abrigou uma civilização avançada antes da humanidade?

https://www.theatlantic.com/science/archive/2018/04/are-we-earths-only-civilization/557180/
https://www.scientificamerican.com/article/could-an-industrial-prehuman-civilization-have-existed-on-earth-before-ours/
https://www.nbcnews.com/mach/science/did-another-advanced-species-exist-earth-humans-ncna869856
https://www.iflscience.com/the-silurian-hypothesis-could-an-advanced-civilization-have-lived-on-earth-millions-of-years-before-humans-64488
https://www.discovery.com/exploration/Advanced-Civilization-Silurian-Hypothesis
https://www.discovermagazine.com/the-sciences/what-if-we-arent-the-first-advanced-civilization-on-earth