A gigantic sunspot has swelled to twice Earth's size, doubling its diameter in 24 hours, and it's pointed right at us.
Despite its alarmingly speedy growth, the giant sunspot is less scary than it may seem. The flares it will most likely produce are M-class solar flares, which"generally cause brief radio blackouts that affect Earth's polar regions," alongside minor radiation storms, the European Space AgencyM-class flares are the most common type of solar flare.
Sunspots can also belch solar material. On planets that have strong magnetic fields, like Earth, the barrage of solar debris from CMEs is absorbed by our magnetic field, triggering powerful geomagnetic storms.
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