Source: United States & Canada – South China Morning PostIn the 1998 Hollywood blockbuster Armageddon, Bruce Willis and Ben Affleck race to save the Earth from being pulverised by an asteroid.While the Earth faces no such immediate danger, Nasa plans to crash a spacecraft travelling at a speed of 24,000km/h (15,000mph) into an asteroid next year in a test of “planetary defence”.The Double Asteroid Redirection Test (Dart) is to determine whether this is an effective way to deflect the course of an asteroid should one threaten the Earth in the future…Read More