Scientists at NASA are investigating the phenomenon that causes the sun’s outer atmosphere, known as the corona, to heat up to mind-bogglingly high temperatures, and scientists have discovered the first ever clear images of nanojets in the solar corona, which indicate the presence of nanoflows ( nanoflares), a phenomenon that could be responsible for the warming of the sun’s atmosphere or corona.
The team studied this phenomenon through a video taken by NASA’s Interface Region Imaging Spectrograph, which showed nanoparticles in the solar corona, which are thin, bright lights that move perpendicular to the magnetic structures in the solar atmosphere, in a process that reveals the presence of one of the filters. Potential coronal heating, according to the US Space Agency.
According to NASA, these jets in turn show the presence of nanoflares, and are believed to drive the heating of the solar corona (the corona), which can reach more than a million degrees Fahrenheit. The shining.
Scientists saw the bright jets on April 3, 2014 during a “coronal rain event”. This happened when the cooled plasma (a very hot gas) fell from the corona to the surface cooler than the sun, and NASA said in a statement: “The nanoparticles are a major evidence of the presence of nanoflows. It is believed that all of the nanoparticles began through a process known as magnetic reconnection. “, Where the twisted magnetic fields are reorganized explosively. One process of reconnecting can lead to another reconnection, resulting in a torrent of nanoparticles in the corona, a process that can generate energy, and this is the heating of the corona.”
Further studies have been planned to find out the number of times the nanoparticles and nanoflows occur, and the amount of energy they discharged into the solar corona, and there are two missions staring closely at the sun currently, which are the NASA Parker solar probe and the orbiting solar module of the European Space Agency.
By photographing the poles and diving near the sun, where these spacecraft will allow to do so, scientists hope to learn more about the processes that heat the solar corona, and it is noteworthy that these results were previously published in Nature Astronomy on September 21.
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