HOLLYWOOD reached consensus on the issue quite some time ago. If an asteroid is coming, of a size that did for the dinosaurs, there is only one defence: Bruce Willis, a thermonuclear device and, preferably, a power ballad soundtrack.
Scientists, however, have a more nuanced view of the best way to stop asteroid impact, especially when it comes to sending hydrogen bombs into space.
Scientists, however, have a more nuanced view of the best way to stop asteroid impact, especially when it comes to sending hydrogen bombs into space.