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Christina Koch
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Portrait of NASA astronaut Christina Koch wearing an orange flight suit with mission patches and an American flag. Artemis II crew members Christina Koch, Jeremy Hansen, Reid Wiseman, and Victor Glover wear eclipse glasses and smile while floating in their spacecraft during a lunar mission. NASA's Artemis II crew portrait with Christina Hammock Koch, Reid Wiseman (seated), Victor Glover, and Jeremy Hansen in orange space suits against a dark background. The Artemis II crew-Christina Koch, Jeremy Hansen, Victor Glover, and Reid Wiseman-smile and give thumbs up for a group photo inside the Orion spacecraft with U.S. and Canadian flags visible.
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Christina Koch: References & Edit History

Article Contributors

Primary Contributors

  • Erik Gregersen
    Erik Gregersen is a senior editor at Encyclopaedia Britannica, specializing in the physical sciences and technology. Before joining Britannica in 2007, he worked at the University of Chicago Press on the Astrophysical Journal. Prior to that, he worked at McMaster University on the ODIN radio astronomy satellite project. 

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Noted the conclusion of the Artemis II mission and added a Top Questions section. Apr 10, 2026
Updated with details from the mission; added media. Apr 09, 2026
Article revised and updated. Apr 02, 2026
New article added. Apr 01, 2026
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