(3)According to an article at Crop Circle Connector(1), the October 25th explosion of Comet 17P Holmes was illustrated schematically in English crop circle formations two years earlier (see image). View additional photos and read more about this compelling theory here(2).

1. http://www.cropcircleconnector.com/anasazi/time2007g.html
2. http://www.cropcircleconnector.com/anasazi/time2007g.html
3. http://www.cropcircleconnector.com/anasazi/time2007g.html