Supermoon in Washington [Large version], NASA “A supermoon rises behind the Washington Monument, Sunday, June 23, 2013, in Washington. This year the supermoon is up to 13.5 percent larger and 30 percent brighter than a typical full moon is. This is a result of the Moon reaching its perigee – the closest that it gets to the Earth during the course of its orbit. During perigee on June 23, the […]