Translartion. Region: Russians Fedetion –
Source: Novosibirsk State University – Novosibirsk State University –
At the beginning of 2025, we are still at the peak of solar activity, which is beginning to decline. However, still at the peak and throughout 2025, “twists” of magnetic fields are possible at different levels of the Sun, starting from the polar regions to the regions of the Sun’s equator. These twists outside their level in turn generate areas of increased and decreased activity, which results in the emergence of areas of strong instability, and from these areas, as a rule, plasma emissions are “squeezed out”. They, breaking out from the surface of the compressed solar gas ball, fly apart into a huge inflated “fist” of ionized particles, which, reaching the ionospheric cap of the Earth, beats on it, causing in the best case the Northern Lights, and in the worst case – breakdowns of the earth’s infrastructure associated with electricity and magnetism.
“The images from the EIT (Extreme Ultraviolet Imaging Telescope) give scientists their usual weather maps of the Sun. Four different colours represent different wavelengths of ultraviolet light emitted by the Sun – invisible to our eyes but detected in stunning detail by the EIT. Each colour, or wavelength, is produced by hot gas at a different temperature: yellow shows gas at about 2 million degrees Celsius, green at 1.6 million degrees, blue at 1 million degrees and red at 80,000 degrees.” HTTPS: //VVV.Sa. Ent/ Scenes_exclotion/spasy_ Sculpt/liva_viev_Of_THE_SON_FROM_SOOO
This excerpt from the text, accompanying daily photos of the Sun from the SOHO Solar Observatory. Photos for different areas of the spectrum, taken using special filters. It is clear from the text that COLOR = wavelength of radiation = the “fingerprint” of a certain chemical under certain conditions. No more and no less. Plasma containing neutral hydrogen has a color corresponding to a specific transition in the hydrogen atom. Transition from an ionized state to become a neutral hydrogen atom. Neutral hydrogen emits its bright red line = red color, which is designated as the H-alpha line in the spectrum of the hydrogen atom. The photo, which has been often featured in publications lately, was taken using a filter for the red H-alpha line. As a result, the radiation of neutral hydrogen, of which this plasma emission consists, is absorbed by this filter and we do not see this red color, which corresponds to one of the wavelengths of radiation of a neutral hydrogen atom (in total, atomic hydrogen emits 4 wavelengths in the visible range). As a result, we see only the contour of the plasma ejection, visible to us as a dark field inside the contour. Some call this phenomenon a “black” plasma emission, but from the explanation above we conclude that there is no such thing as a “black” plasma, since solar plasma consists mainly of atomic hydrogen, which emits different wavelengths: the visible spectrum is the Balmer series of 4 lines H-alpha, H-betta, H-delta, H-gamma, infrared spectrum – Paschen series; and ultraviolet spectrum – Lyman series.
The H-alpha filter is present in all special telescopes for observing total solar eclipses, Coronado is one of such telescopes. It is the filter that allows us to clearly see what is happening on the Sun.
Author: Alfiya Rashidovna Nesterenko, Head of the Educational Astrophysical Automated Complex, Leading Engineer of the Atomic Physics and Spectroscopy Department of General Physics Physics Department of NSU
Photos taken by the SOHO Solar Observatory and taken from the website Ta europian saved agencies.
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