Disappearance of dinosaurs theory
Name: newton guest5
What is the latest information on the disappearance of
the dinosaurs? Causes?
There are two catastrophy theories:
1) impact of a large meteor or comet
2) massive vulcanism
both theories involve huge amounts of dust in the upper atmosphere,
reflecting sunlight and causing severe cooling at the earth's
surface. There was an excellent review of the two theories about
two years ago in Scientific American.
Click here to return to the General Topics Archives
Update: June 2012