MADRID, SPAIN - AUGUST 10: A plane flights across the supermoon surrounded by two Madrid skyscrapers on August 9, 2014 in Madrid, Spain. In the second supermoon or perigee moon as it is also known of the summer, the moon will supposedly appear 30% brighter and 14% bigger than normal, with another due to appear in our skies on September 9, 2014.  (Photo by Gonzalo Arroyo Moreno/Getty Images)