The past few weeks or so have been a very busy time for the Sun. Our star has undergone a series of giant eruptions that have sent plasma hurtling through space.
However, while it might sound intimidating, this is pretty normal for our Sun, as it ramps up its activity towards and during solar maximum – the most dynamic time during its activity cycle.You see, while the Sun seems pretty consistent to us here on Earth on a day-to-day basis, it actually goes through 11-year activity cycles, with a clearly defined minimum and maximum.
This is because the Sun's magnetic field controls its activity: sunspots are temporary regions of strong magnetic fields, while coronal mass ejections that erupt from solar flares are produced by magnetic field lines snapping and reconnecting.The two flares on 2022-02-12 were so spectacular I ended up making this animation, even though their west-limb locations preclude geoeffective potential.
In the second event, only the latter part was eruptive, from the southern region. The northern flare had no global effect.
France Dernières Nouvelles, France Actualités
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