crop circle: References & Edit History
Article Contributors
Primary Contributors
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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.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Invalidated site: Southern Illinois University Edwardsville - Spatial distribution of England's crop circles. | Aug 07, 2026 | ||
| Add new Web site: NBC News - Crop Circle Was a Publicity Stunt: Why 'Experts' Were Fooled. | Oct 13, 2025 | ||
| Add new Web site: ABC listen - Radio National Breakfast - How the crop circle phenomenon all started in a tiny Queensland town. | Jun 26, 2025 | ||
| Add new Web site: University of California Berkely Research - Solved: The Mystery of the Nanoscale Crop Circles. | May 02, 2025 | ||
| Add new Web site: CiteSeerX - Balls of Light: The Questionable Science of Crop Circles. | Feb 17, 2025 | ||
| Add new Web site: Psi Encyclopedia - Crop Circles. | Jan 09, 2025 | ||
| Add new Web site: Independent - Crop circles: Cynical hoax, natural phenomenon or proof of alien life? | Oct 08, 2024 | ||
| Add new Web site: BBC - Witness History - The truth about crop circles. | Aug 31, 2024 | ||
| Add new Web site: LiveAbout - What the evidence says about Crop Circles. | Feb 09, 2024 | ||
| Add new Web site: National Public Radio - Mysterious Crop Circles: Alien Messages or Hoax? | Dec 20, 2023 | ||
| Add new Web site: Southern Illinois University Edwardsville - Spatial distribution of England's crop circles. | Oct 27, 2023 | ||
| Add new Web site: University of Missouri - Artifacts Journal - Crop Circles Explained. | Sep 14, 2023 | ||
| Add new Web site: MOspace Institutional Repository - Crop Circles Explained. | Jul 22, 2023 | ||
| Add new Web site: Nature - The crop circle evolves. | Jun 09, 2023 | ||
| Add new Web site: Lock Haven University - The Truth About Crop Circles. | Nov 27, 2016 | ||
| Add new Web site: LiveScience - Crop circles: Myth, theories and history. | May 29, 2016 | ||
| Media added. | Feb 01, 2012 | ||
| New article added. | Sep 12, 2011 |
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