Fires following cosmic impact 12,800 years ago destroyed 10% of earth's land surface. Image: Pixabay
Comet impacted the earth at the end of the Ice Age, 10 percent of land surface consumed by fires

A large comet of about 100 km (60 miles) in diameter broke apart and its fragments impacted the earth 12,800 years ago. A new study of geochemical and isotopic markers by the University of Kansas depicts this scenario with devastating consequences : wild fires, dust in sky blocking sunlight, plants and animals dying and prolonging the Ice Age by a thousand years.

Read the full story: University of Kansas
Scientific publication: Journal of Geology - Ice Cores and Glaciers
Scientific publication: Journal of Geology - Lake, Marine, and Terrestrial Sediments