The Smithsonian Air and Space Museum sent us this photo today of a celebration yesterday in their Space Hall. More than 200 elementary school students danced the afternoon away to the sounds of children’s band Rocknoceros to launch the “Flights of Fancy” program, which uses activities, storytime and dramatic play to teach kids about all things air and space. After listening to some Rocknoceros tunes on their web site (and laughing giddily at the…