PICTURE SHOWS: New Horizons principal investigator Alan Stern of the Southwest Research Institute (SwRI), Boulder, CO, center, celebrates with school children at the moment the spacecraft was planned to reach its closest approach to Kuiper Belt object Ultima Thule, Tuesday, Jan. 1, 2019 at Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Maryland. Photo Credit: (NASA/Bill Ingalls) ... STORY COPY: NASA have taken the opportunity to highlight that they are not just about leaving the Earth???s atmosphere with a look back at 100 images documenting the 2019 work of the NASA Headquarters photo team. Here are some highlights of their pictorial choices. Where: Laurel, Md., United States When: 01 Jan 2019 Credit: NASA/Cover Images **Editorial use only**