Astronomy Festival on the National Mall Brings the Universe Down to Earth Events Uncategorized Astronomy Festival on the National Mall Brings the Universe Down to Earth adminDC June 10, 2016 0 Source: Friday, June 10, 2016; 6 – 11 pm; N of the Washington Monument; 15th Street NW... Read More Read more about Astronomy Festival on the National Mall Brings the Universe Down to Earth