(SPACE) — The sun has just unleashed another major solar flare, the third of its kind in three days, scientists say.

The huge solar storm occurred late Sunday at 10:03 p.m. EDT (0203 Oct. 28 GMT). It registered as an X-class solar flare — the most powerful type of flare the sun has — and followed two back-to-back X-flares that erupted from the sun on Friday (Oct. 25). NASA’s Solar Dynamics Observatory captured a video of the new X-class solar flare as it happened.

This latest solar flare erupted from an active sunspot region called AR1875 and triggered a strong radio blackout when it occurred, officials with the NOAA-run Space Weather Prediction Group explained in a status update. The flare also coincided with a massive explosion of super-hot solar plasma — called a coronal mass ejection, or CME — which should reach Earth by Oct. 30 and could trigger minor geomagnetic storms in the planet’s magnetic field, they added.

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