What would happen if a large object hit the Earth?
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About 50,000 years ago, an object about 150-meters across traveling at 45,000 mph created the Barringer Crater in Arizona that is 1,500-meters across. (Credit:Wikipedia-NASA). It was a 10-megaton explosion. An asteroid for which there is some possibility of a collision with Earth at a future date and which is above a certain size is classified … Continue reading What would happen if a large object hit the Earth? →