Solar flare, Sunspot, Coronal Mass Ejection & Radiation

Solar flare, sudden intense brightening in the solar corona, usually in the vicinity of a magnetic inversion near a sunspot group. The flare develops in a few minutes, or even seconds, and may last several hours. High-energy particles, electron streams, hard X-rays, and radio bursts are often

RAL Space The Sun unleashes four large X-class solar flares

Huge sunspot that launched the strongest solar flare in six years is now pointing 'almost directly' at Earth - and it could spark geomagnetic storms and power outages, scientists warn

Solar Fury! Massive Sunspot Complex, Larger Than Jupiter, Sparks M-Class Solar Flares

Massive sunspots and huge solar flares mean unexpected space weather for Earth

Radio frequencies may be interrupted during largest solar flare in 7 years, officials say

Dead sunspot' launches ball of plasma toward Earth

Solar flare - Wikipedia

Shock wave from sun has opened up a crack in Earth's magnetic field, and it could trigger a geomagnetic storm

Coronal Mass Ejections NOAA / NWS Space Weather Prediction Center