Richard Binzel has been watching the skies for hazardous asteroids for more than 50 years. In 1995, he proposed the Near-Earth Object Hazard Index, later renamed the Torino scale, which rates ...
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The 13 biggest asteroids to ever hit planet Earth
The idea of an asteroid hitting Earth can be a scary one, but it can be pretty hard to comprehend just how scary such an impact might potentially be. To put things in context, many people who have ...
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