Asteroids III edited by William F. Bottke Jr, Alberto Cellino, Paolo Paolicchi and Richard P. Binzel, University of Arizona Press, $95, ISBN 0816522812 Reviewed by David Hughes
THAT scare unleashed by Near Earth Asteroid 2003 QQ47 turned out to be completely unfounded: it will miss our planet. But asteroids do threaten Earth and we are at the stage in space technology where we can do something about it. What is needed is detailed knowledge about the asteroidal enemy – and a better way of quantifying the risk (New Scientist, 20 September, p 12). What we have learned so far is…
