Earth Impact 12,800 years ago Proven by Spherules - Theory of Cosmic Impact Comprehensive Analysis
- https://phys.org/news/2013-05-comprehensive-analysis-impact-spherules-theory.html
- https://en.wikipedia.org/wiki/Iridium
- Thumbnail image - Earth asteroid impact nasa.jpg
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcT696qEF4rJrm8hawGftAN5sT - Music - Ambient Ambulance by Jingle Punks
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