Comet 3I/ATLAS: 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.
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Updated for Comet 3I/ATLAS's closest approach to Earth. | Dec 22, 2025 | ||
| Article revised and updated. | Dec 09, 2025 | ||
| Added top questions. | Oct 29, 2025 | ||
| Added photograph of Comet 3I/ATLAS. | Sep 29, 2025 | ||
| New article added. | Aug 21, 2025 |
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