Theres no way accurately depict the effects and following events after a massive asteroid hits the earth. based on what Ive read and heard of asteroids, they travel at an average of 18 kilometers PER SECOND or just over 11 miles PER SECOND. the devastation would be massive and quick. The bible describes one that going to hit the earth in which 1/3 of mankind will be killed. Science reveals April 2029 a s the day with high potential. when Apophis ( 99942) comes so close it will fly under our satellites, so close an almost 3% chance of a direct hit.