New Horizons Ultima Thule Flyby

Mike Buckley, senior public information office at the Johns Hopkins University Applied Physics Laboratory speaks at the beginning of a press conference prior to the flyby of Ultima Thule by the New Horizons spacecraft, Monday, Dec. 31, 2018 at Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Maryland. Photo Credit: (NASA/Joel Kowsky)

Mike Buckley, senior public information office at the Johns Hopkins University Applied Physics Laboratory speaks at the beginning of a press conference prior to the flyby of Ultima Thule by the New Horizons spacecraft, Monday, Dec. 31, 2018 at Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Maryland. Photo Credit: (NASA/Joel Kowsky)