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.
<bdi><a href="https://www.wikidata.org/wiki/Q71171454" class="extiw" title="d:Q71171454"><span title="American photographer">Bill Ingalls</span></a>
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