A full moon coinciding with Christmas does not happen often — usually, once every 19 years. But this time, it is different, because a full moon on Christmas hasn't happened in nearly four decades. The last one was in 1977, and that's because of the vagaries of our calendar and a lunar cycle known for almost 2,500 years (Space.com)
A full moon coinciding with Christmas does not happen often — usually, once every 19 years. But this time, it is different, because a full moon on Christmas hasn't happened in nearly four decades. The last one was in 1977, and that's because of the vagaries of our calendar and a lunar cycle known for almost 2,500 years (Space.com)
Comments
Post a Comment