With mounting evidence of a 9th planet and of a major cosmic impact in the time of humans (around 12,800 years ago) our understanding of the origins of civilization and our conception of the solar system ​appears to be undergoing a significant change.
http://www.sc.edu/uofsc/posts/2017/03/uofsc_archaeologists_ discover_platinum_at_clovis_sites.php Platinum Found Confirms Impact Of 12,800 Years Ago https://www.youtube.com/watch?v=50r6287kzPU New evidence for existence of Planet Nine https://phys.org/news/2018-05-evidence-planet.html