Supermoon trifecta starts December 3, ends January 31 with Super Blue Blood Moon
A supermoon trifecta, series of three supermoons in a row, will start on Sunday, December 3, 2017 and end on January 31, 2018 with 'super blue blood' Moon. Supermoons are Moons that are full when they take place unusually close to the time of a month when…