According to NASA, it is uncommon for an asteroid to be rated a 3, because that can only happen for asteroids larger than 65 feet with an impact probability of 1% or greater, which is considered ...
Chances of a big asteroid strike on Earth just doubled. Here’s why you shouldn’t be too worried.
By comparison, the asteroid that wiped out the dinosaurs and 70% of all other animal species on Earth around 65 million years ago was roughly 6 to 9 miles wide. Other notable impact events include ...
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