There geomagnetic storm who invested the land on 15 and 16 April is now in pale phase: the peak was reached on the evening of April 16, between 18.00 and 21.00, intensifying the storm until it reaches the G4 classwhich indicates an event of severe intensityon a staircase ranging from G1 to G5. According to what reported by the SPACEWEATHER.COM website, Boreal Aurore were also spotted at latitudes of Europe centralas in France. The geomagnetic storm is now descended to the G1 level.
The Space Meteorological Forecast of the US Agency Noaa stresses that the storm was favor fromorientation of the interplanetary magnetic fieldthe magnetic field of the sun transported to the interplanetary space by the sun wind, which has aimed south for most of the day of April 16. In the last few hours, however, Lorientation has changed northa configuration not favorable to the development of geomagnetic storms and a new intensification is not unlikely.
The event that has been exhausted was caused by the arrival of a Cme, or coronal mass emissionthat is, an expulsion of matter by the sun in the form of plasma. In this case, the CME was produced by a so -called ‘eruptive protuberance’, a plasma tube projected beyond the sun surface by the magnetic field, which has lower temperatures and higher density of the surrounding plasma.
Between 15 and 16 April, according to the data provided to the Ansa by Mauro Messreotti, professor of Space Meteorology at the University of Trieste, the Sole emitted 6 class C X -ray. The brights are violent eruptions of matter that suddenly release a huge amount of energy. There class C however indicates one relatively low power: the brilliant of this intensity are quite frequent And they do not usually impact on earth.
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Source: Ansa
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