Mystery fireball lights up the Utah sky like a UFO... but astronomer insists it's just a meteor

With dazzling flashes of green, blue and white, a mysterious object lit up the Utah sky early this morning. It silently soared over the state at around 4.40am, seemingly lingering for a few seconds. But while some excitedly rushed to report a UFO, one astronomer claims it was a burning meteor that was so far away it couldn't be heard. SCROLL DOWN FOR VIDEO-http://www.dailymail.co.uk/news/article-2778502/Mystery-fireball-lights-Utah-sky-like-UFO-astronomer-insists-s-just-meteor.html