Scientists from Yunnan Observatory, led by Professor BI and Chinese Academy of Sciences, offered a new look at the nature of the solar microans and their connections with larger solar epidemics. Published in İş Magazine Astrophysical Magazine Letters (AJL).
Traditionally, solar outbreaks are explained by sharp energy emissions of magnetic ropes – consisting of structures consisting of structures consisting of twisted magnetic field lines. However, a new job, researchers focused on microans – much less powerful, but much more frequent events – and found that the mechanisms of formation could change significantly.
Using the data from the extreme ultraviolet displayer device, scientists first recorded small emissions on the solar orbit device accompanied by microvsi. These emissions were born in the centers of three consecutive microaches that occurred in a dipole magnetic field. Initially, emissions seemed to be only 103 km diameter dot structures, but then quickly transformed into ring -shaped formations that spread to the main ring of the flash.
Researchers argue that these microans are due to the removal of magnetic fields with a small deviation angle that occurs in very “intertwined” magnetic structures. This is an alternative mechanism compared to the classic scenario of large outbreaks, and can explain how microans release energy.
In particular, the important discovery was that the proposed mechanism was similar to the processes underlying the Nanosa – miniature outbreaks, which have long been regarded as a possible heating source of sunny crown. This shows the similarity of processes on a different scale: the most powerful flashes from the smallest.
According to the authors of the study, such a multi -orientation of physical mechanisms may change the approach of the activity of the sun, and explain how such a high temperature of the outer membrane is preserved.
Previously, scientists To create The key to understanding the birth of the first stars of the universe.
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Source: Gazeta
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