AN ASTEROID the size of the World Trade Centre is on a dangerous Earth-bound orbit that could see the rock smash the planet during Christmas festivities. The asteroid, known as 216258 2006 WH1, is set for its closest approach to Earth on December 20 - just days before Christmas. The 540 metre space rock is the same size as the World Trade Centre and would cause a significant amount of damage and mass extinction. ... The asteroid hasn’t yet been measured on the Torio Impact Hazard Scale, but will likely be listed as a serious threat when and if it...
