Have you stepped outside to see tonight’s supermoon? Here, the Moon is seen as it rose this evening in Washington, DC. Today’s full Moon is the first of three consecutive supermoons. The two will occur on Jan. 1 and Jan. 31, 2018. A supermoon occurs when the Moon’s orbit is closest (perigee) to Earth at the same time it is full. Find out more: http://go.nasa.gov/2BIzO51