The News:
Dinosaur-Killing Asteroid Traced to Breakup Event
NPR All Things Considered, September 5, 2007
The reason humans rule the Earth could be due to a huge collision that took place 160 million years ago. Somewhere between Jupiter and Mars, two asteroids smashed into each other. The debris hurtled into space, and eventually a big piece hit the Earth. This was the asteroid that wiped out the dinosaurs and gave mammals a chance.
The Research:
Read the research behind this story in the journal Nature.
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