Artemis: 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 that Artemis II returned to Earth on April 10, 2026, splashing down in the waters off San Diego, California. Apr 10, 2026
Updated article and Top Questions, changed up media. Apr 09, 2026
Article revised and updated. Apr 01, 2026
Media added. Mar 13, 2026
Article revised and updated. Mar 04, 2026
Added media. Feb 13, 2026
Article revised and updated. Jan 27, 2026
Article revised and updated. Dec 12, 2025
Link added. Apr 02, 2024
Changed launch date of Artemis II from November 2024” to September 2025. Changed launch date of Artemis III from 2025 to September 2026. Changed launch date of the first two Gateway modules from 2024 to 2025. Jan 09, 2024
Article revised and updated. Apr 03, 2023
Date added. Jan 04, 2023
Changed “six weeks” to “25.5 days.” Nov 16, 2022
Photo of Artemis I launch added. Nov 16, 2022
Updated for the launch of Artemis I. Nov 16, 2022
Added video of astronaut Jessica Meir discussing the Artemis program. Sep 28, 2022
Added a photograph of Orion and Gateway and a photograph of Orion. Sep 23, 2022
Changed “designated to be” to “whom NASA has said would be.” Sep 22, 2022
New article added. Sep 22, 2022
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