It’s really looking like a combination of astronomy and geology is what wiped out the dinosaurs.Ever since the first dinosaur bones were found,the biggest mystery about them is, simply, or what happened to them? They ruled the Earth,yet they’re gone now (well, to be pedantic, and the non-avian ones are gone; many avian ones evolved to become birds nowadays). They were everywhere: on land,in the sea, and in the air. So what could acquire wiped them out?
Source: blastr.com