Case file · Crop circle

Wiltshire crop circles

The English chalk downs around Avebury and Stonehenge are the world capital of crop formations.

1990 CE · 51.42, -1.85 · status: disputed

The researched reading

The world centre of crop formations, which people make. They are land art, not landing marks.

ExplanationWeightWhy
A hoax or fabrication90%Doug Bower and Dave Chorley confessed in 1991 to making circles since 1976, and teams of artists have made complex designs on commission ever since.
A known natural phenomenon3%Wind and rain flattening (lodging) explain some crude marks.
A poorly understood natural phenomenon2%Terence Meaden’s plasma-vortex idea was abandoned once complex designs appeared.
Perception, memory or mind2%Believers report odd feelings in formations, which reflect expectation.
Something known, misidentified1%Not relevant: the formations are physical.
Secret human technology1%Not relevant.
Genuinely anomalous1%No formation has shown properties beyond human making.

Official position: No official investigation; the makers have publicly demonstrated their methods.

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Sources

  1. Wikipedia
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