Media and guest listen to briefings leading up to the New Horizons spacecraft closest approach to Ultima Thule, Monday, Dec. 31, 2018 at Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Maryland. Photo Credit: (NASA/Bill Ingalls)
Media and guest listen to briefings leading up to the New Horizons spacecraft closest approach to Ultima Thule, Monday, Dec. 31, 2018 at Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Maryland. Photo Credit: (NASA/Bill Ingalls)