Jeremy Hansen: References & Edit History
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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.
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Noted the conclusion of the Artemis II mission and revised the Top Questions section. | Apr 10, 2026 | ||
| Updated with details of the mission; added media. | Apr 09, 2026 | ||
| Article revised and updated. | Apr 02, 2026 | ||
| Anniversary information added. | Jan 23, 2026 | ||
| New article added. | Dec 12, 2025 |
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