![]() Its idea is simply to smash a spacecraft into one. But how do you protect Earth from a killer asteroid for real? We've all seen how Hollywood would do it, with brave astronauts and nuclear weapons. ![]() Telescopes will be watching from afar, including the new super space observatory James Webb. The impact is timed for 23:14 GMT, Monday (12:14pm NZ time, Tuesday). The agency says the rock is not currently on a path to hit Earth, nor will the test accidentally send it in our direction. The demonstration is taking place some 11 million km away on a target called Dimorphos. Nasa's Dart mission wants to see how difficult it would be to stop a sizeable space rock from hitting Earth. ![]() In the coming hours, the American space agency will crash a probe into an asteroid. This artist's illustration shows the DART spacecraft from behind prior to impact at the Didymos binary system. ![]()
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