New Horizons Ultima Thule Flyby

Director of the Johns Hopkins University Applied Physics Laboratory Ralph Semmel celebrates with other mission team members after they received signals from the spacecraft that it is healthy and collected data during the flyby of Ultima Thule, Tuesday, Jan. 1, 2019 at the Mission Operations Center of the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Maryland. Photo Credit: (NASA/Bill Ingalls)

Director of the Johns Hopkins University Applied Physics Laboratory Ralph Semmel celebrates with other mission team members after they received signals from the spacecraft that it is healthy and collected data during the flyby of Ultima Thule, Tuesday, Jan. 1, 2019 at the Mission Operations Center of the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Maryland. Photo Credit: (NASA/Bill Ingalls)