url-4-e1370741424186 copyBREAKING NEWS: Scientists were today warning of a possible asteroid collision with the Earth. An asteroid around two-thirds of a mile wide (1.2km) could hit the earth on March 21, 2014 and has been classified as “an event meriting careful monitoring” by astronomers. But they say the probability of the asteroid hitting Earth is just 1 in 909,000 and the risk of impact is likely to decrease as they collect more information. The newly-discovered asteroid, known as 2003 QQ47, has a mass of around 2,600 million tons (2,600 billion kg). Its orbit calculations are currently based on just 51 observations during a seven-day period. Dr Alan Fitzsimmons of Queen’s University, Belfast, one of the expert team advising the UK NEO (Near Earth Objects) Information Centre, based in Leicester, said: “The NEO will be observable from Earth for the next two months, and astronomers will continue to track it over this period.” The giant rock was first observed on August 24 by Lincoln Near Earth Asteroid Research Program (LINEAR), based in Socorro, New Mexico. MORE