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"andy everett" <vze2qxq3@xxxxxxxxxxx> wrote in message
news:kvPlh.2312$T%3.1372@xxxxxxxxxxx
| Sorcerer wrote:
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| > "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:
| > www.ptialaska.net/~hutch/nlboat.jpg">http://www.ptialaska.net/~hutch/nlboat.jpg
| > www.aldebaran.cz/actions/2002_aurora/aurora/180.jpg">http://www.aldebaran.cz/actions/2002_aurora/aurora/180.jpg
| > science.nasa.gov/spaceweather/aurora/images2003/31oct03/Zhu3.jpg">http://science.nasa.gov/spaceweather/aurora/images2003/31oct03/Zhu3.jpg
| > www.my-spot.com/images/wbf-aurora-1024.jpg">http://www.my-spot.com/images/wbf-aurora-1024.jpg
| >
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| Nice pictures, different physics. See:
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| en.wikipedia.org/wiki/Aurora_%28astronomy%29">http://en.wikipedia.org/wiki/Aurora_%28astronomy%29
I wouldn't give wackypedia the time of day, it is written by witted
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.
antwrp.gsfc.nasa.gov/apod/ap980222.html">http://antwrp.gsfc.nasa.gov/apod/ap980222.html
antwrp.gsfc.nasa.gov/apod/ap050219.html">http://antwrp.gsfc.nasa.gov/apod/ap050219.html
antwrp.gsfc.nasa.gov/apod/ap970402.html">http://antwrp.gsfc.nasa.gov/apod/ap970402.html
antwrp.gsfc.nasa.gov/apod/ap050222.html">http://antwrp.gsfc.nasa.gov/apod/ap050222.html
Different physics my arse.
Have a solar tsunami:
antwrp.gsfc.nasa.gov/apod/ap061213.html">http://antwrp.gsfc.nasa.gov/apod/ap061213.html
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