HI All,
Writing from work here. First, use Google and search keywords
Birkeland Current. In the vacuum of space you see this spiral. In the lesser
vacuum but still very lower pressure of our upper atmosphere you see it.
Also, I did some close up zooms of Terry's pictures, wish they were zoomed
at the camera so I could have then zoomed even more without getting into
pixel distortion. Note the lower energy streamers look to be striated, much
like any plasma will do when it is extending as much as it can within
voltage limits to distance ratios.
I can post pictures of striations with several inches between them if you
like. Again, this is on the lower energy streamers.
Terry, can you get close ups of those weaker streamers so I can look better
with zoom? The greater pixel count the better I can zoom. At this time we
have the lab setup to do all the high voltage in the 2 ft by 6 foot tube in
partial atmosphere. I'm very interested in this striation at sea level
pressures I think I see.
Mike
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