Andersén, When the Sky Falls Down

Small celestial bodies - meteorites - often fall to Earth. Larger objects - asteroids and comets - occasionally whiz past but rarely hit the Earth's surface. However, the threat from space is real and the fatal consequences of such a collision obvious. The most pressing question today is, can future collisions with giant space rocks be predicted and, more importantly, intercepted? Based on current research, this book tells the story of collisions throughout Earth's history in a comprehensible...