Do not be alarmed if you find yourself struggling to fall asleep tonight, for there could be a perfectly scientific reason for your insomnia. Hovering outside your window will be the biggest and brightest moon the planet has seen since January 1948 - a scientific phenomenon that takes place only when a full moon coincides with the moon being the closest it gets to us on its orbit. Clouds permitting, the "supermoon" will look around 14 per cent larger and 30 per cent brighter than the average full moon. It will be the closest the moon has been to Earth for more than 60 years, and the closest it will come until November 2034. So what does it mean? According to astrologers a supermoon is simply an intensified new moon or full moon - a time to focus on new beginnings. But when a supermoon is involved these new starts can take on an even more dramatic tone. Some even see them as omens of impending disaster, or a warning of something momentous coming towards us. Aside from mythical meanings