Hollywood got it wrong, this is how you stop an apocalyptic asteroid Richard Gray, Science Correspondent, Sunday Telegraph Last Updated: 12:30am GMT 25/02/2007 Attempts to save mankind by smashing asteroids as they head towards Earth may do more harm than good, scientists believe. Rather than Hollywood's preferred option, engineers are trying to develop unmanned rockets that can land on space rocks and use the asteroids' own material to propel them into a safer orbit. The plan will be detailed at a conference, sponsored by Nasa next month, at which its scientists will reveal their -estimate that 100,000 asteroids orbiting near...