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How Safe Are We From Our Extinction? Only 99%
The probability of us getting hit by an asteroid large enough to cause global catastrophe in 100 years is roughly 0.01%. 0.1% for 1,000 years, or 1 % for 10,000 years. (Our civilization is only 5,000 years old)
How often will the impact by smaller asteroids occur?
A. Harris, The population of Near-Earth Asteroids, 4th IAA Planetary Defense Conference, Roma, 2015.
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