Re: Cerenkov light

["Sorcerer" <Headmaster@xxxxxxxxxxxxxxxxxx>]

"andy everett" <vze2qxq3@xxxxxxxxxxx> wrote in message 
news:kvPlh.2312$T%3.1372@xxxxxxxxxxx
| Sorcerer wrote:
| 
| > "Helmut Wabnig" <.... .-- .- -... -. .. --. @ .- --- -. DOT .- -> wrote in 
message news:kibfp29p7b8i36hlcdvkh5jitkul6cb9qp@xxxxxxxxxx
| > | There are not so many Cerenkov light fotos around,
| > | while cleaning up my mess here I found an old picture.
| > | If you are interested look at
| > | http://www.members.aon.at/hwabnig/SeibersdorfReactor1967.jpg
| > | That photograph dates back  1967, quality is not overwhelming.
| > | There were about 10 meters of water downwards and on the surface
| > | they had a small yellow rubber duck swimming because the water
| > | is absolutely clear, surface almost invisible.
| > | Unfortunately the duck had left the nest at the time of the photo.
| > | Seibersdorf is near Vienna, Austria. The reactor is history.
| > | w.
| > 
| > Here's some much nicer pictures of Cherenkov radiation: 
| >  http://www.ptialaska.net/~hutch/nlboat.jpg
| >  http://www.aldebaran.cz/actions/2002_aurora/aurora/180.jpg
| >  http://science.nasa.gov/spaceweather/aurora/images2003/31oct03/Zhu3.jpg
| >  http://www.my-spot.com/images/wbf-aurora-1024.jpg
| > 
| 
| Nice pictures, different physics. See:
| 
| http://en.wikipedia.org/wiki/Aurora_%28astronomy%29

I wouldn't give wackypedia the time of day, it is written by fuckwitted
sheep and Einstein dingleberries all bleating the same baa. 

Charged particles travelling at velocities greater than 300,000 km/sec
in atmosphere cause Cherenkov radiation, and that's just what is
happening with the aurora as these images clearly demonstrate.
 http://antwrp.gsfc.nasa.gov/apod/ap980222.html
 http://antwrp.gsfc.nasa.gov/apod/ap050219.html
 http://antwrp.gsfc.nasa.gov/apod/ap970402.html
 http://antwrp.gsfc.nasa.gov/apod/ap050222.html

Different physics my arse. 
Have a solar tsunami:
 http://antwrp.gsfc.nasa.gov/apod/ap061213.html