A storm geomagnetica classe G2 It is currently underway, caused by a radiant blow of one CME (Expulsion of Massa Coronale) coming from the sun. The event caught the scientists by surprise: it was thought that the sun -plasma cloud would miss the earth, but instead it ended up hitting it marginally, triggering a magnetic disturbance. The expulsion was generated on May 12 by a filament magnetic eruption in the northern part of the sun. The eruption has projected into Space A mass of charged particles that, although initially it did not seem directed towards our planet, still hit the earth’s magnetic field “laterally”.
What is a magnetic filament?
I magnetic filaments They are unstable and dense structures of plasma that form in the sun crown, the outermost part of the atmosphere of the sun. They are retained by intense magnetic fields and appear as dark lines if observed by the sun disc, or as bright arches if seen on the side. When a filament becomes unstable and breaks, it can cause a violent solar eruption, expelling material in space in the form of CME.
What is a coronal mass expulsion (CME)?
A CME It is a gigantic plasma bubble and magnetic field that is projected by the sun crown in the interplanetary space. The CME can travel to millions of kilometers per hour and, if directed towards the earth, interact with the earth’s magnetic field. Not all CMEs cause significant effects: the danger depends on the speed, mass and direction of expulsion.
What is a geomagnetic storm?
A geomagnetic storm It is a disturbance of the Earth’s magnetic field caused by the interaction with the sun wind or a CME. Storms are classified From G1 (minimum) to G5 (extreme). A classy storm G2like the one currently underway, can cause aurore visible to lower latitudes than usual, radio communications disorders and potential problems for electrical networks, especially at high latitudes.
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