Conductor Emil de Cou and the National Symphony Orchestra stands at the start of the second half of "Space, the Next Frontier" celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)