Photo from open sources
The atmospheric phenomenon called “steve” is so rare and poorly understood that he still lacks an official scientific description, and the name was given to him so far temporary. However thanks enthusiasts involved in photographing auroras about Steve already knows something.
A striking phenomenon was first documented by members Alberta Aurora Hunters Online Community in Social Facebook. Since then, steve observations have been reported yet. about fifty times. This phenomenon is a violet-green fire in the sky, looking like a long ribbon. Nobody before still does not know how it is formed and why it is so different from ordinary aurora.
“Alberta Aurora Hunters” called the phenomenon a steve under the impression of the cartoon “Beyond the Fence,” one of whose heroes called any object unknown to him as a steve.
Soon photographic materials of enthusiasts interested in NASA employees and professors from the Canadian University of Calgary. Scientists started to elucidate the nature of the unstable radiance in the sky.
A photo from open sources
By and large, a steve is a kind of arch up to 30 wide kilometers, which extends over hundreds or even thousands kilometers, and always from west to east. The phenomenon is usually visible in the sky for about an hour. It is seasonal and appears in northern latitudes from March to September. Steve most often has purple color with short green blotches in the form of stockade.
It is reported that one of the satellites of the European Space The agency recently flew through such a glow at an altitude of 300 kilometers. The device sensors recorded a rise there temperatures as much as 3000 degrees Celsius. The equipment showed that steve is a strip of gas floating in the sky at a speed of 6-10 kilometers per second. However, this did not bring scientists closer to unraveling the mystery of the aurora …
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