Tag Archives: Collision with Earth
What is the probability that a large asteroid will collide with Earth?
According to Wikipedia, asteroids with a 1 km diameter strike Earth every 500,000 years on average. Moreover, “Large collisions–with 5 km (3 mi) objects–happen approximately once every twenty million years. The last known impact of an object of 10 km (6 mi) or more in diameter was … Continue reading

