Comet from edge of solar system killed the dinosaurs: study yahoo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yahoo.com Daily Mail and Mail on Sunday newspapers.
The enduring puzzle: Where did the asteroid or comet originate, and how did it come to strike Earth? Now, a pair of researchers at the Center for Astrophysics | Harvard & Smithsonian believe they have the answer. - HeritageDaily - Archaeology News
While it is known that the devastating impact of something huge that crashed into Earth 66 million years ago led to the extinction of dinosaurs, clarity on whether it was a comet or asteroid strike and where it originated was lacking.