Scientists think they may be a step closer to understanding where the asteroid or comet that wiped out the dinosaurs came from.The Chicxulub impactor smashed into the earth off the eastern shore of what is now Mexico, leaving a crater 100 miles across and 12 miles deep.
It ended the reign of the dinosaurs – taking out three quarters of plant and animal life with them – about 66 million years ago.
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Three quarters of animal and plant life was taken out by the impact
Experts from Harvard University in the US believe they have figured out how such a large …
