Source: Imperial College Of Science, Technology And Medicine Date: 2003-07-23 Fewer Earthbound Asteroids Will Hit Home; Scientists Say Pancake Model Of Asteroid Impact Won’t Stick July 16, 2003 -- Scientists report in Nature today that significantly fewer asteroids could hit the Earth's surface than previously reckoned. Researchers from Imperial College London and the Russian Academy of Sciences have built a computer simulation that predicts whether asteroids with a diameter up to one kilometre (km) will explode in the atmosphere or hit the surface. The results indicate that asteroids with a diameter greater than 200 metres (the length of two football...