May 16th 11, 05:46 PM
posted to uk.sci.weather,uk.sci.astronomy,sci.astro.amateur
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First recorded activity by Weather-Banter: Mar 2010
Posts: 676
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Crop Circles from BBC helicopter footage
On 16/05/2011 15:42, Martin Brown wrote:
On 16/05/2011 15:19, Joe Egginton wrote:
On 16/05/2011 12:15, Martin Brown wrote:
I am generally fairly sceptical about most crop circles as so many have
been faked. But I happened to notice on the Doomsday programme on
[snip]
The crop circle looks to be new with sharply defined edges as compared
to the tractor lines which are also visible where it turned at the field
boundaries. It looks natural enough...
I've always been of the opinion that most crop circles are fake, the few
that are genuine are probably something to do with local strong magnetic
fields.
Have to be one heck of a magnetic field to do that to straw!
Spiral whirlwinds touching down might well be the explanation. It would
be really nice if someone saw one being created and videoed it.
Regards,
Martin Brown
http://tinyurl.com/3dxl2m9
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