Powerful plasma burst occurred on Sun
On December 16, the Sun ejected a half-a-million-kilometer-long plasma fountain, which the Solar Astronomy Laboratory coronagraph recorded. According to the Institute of Solar-Terrestrial Physics, this is the year's most potent prominence.
There were two emissions—one from the right western edge and the other from the left eastern edge of the star. However, it was impossible to record whether this mass broke away from the Sun.
But even if it did break away, it is still unclear whether this mass will affect the Earth's magnetic field.
At the moment, a magnetic storm is not predicted. For example, if the magnetosphere disturbances in Ufa today are up to 4 points (on a 10-point scale), this results from the previous emission on December 15.
Author: Elina Akhmetova
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