Solar and Heliospheric Observatory (SOHO)

  • SOLAR RADIATION STORM AND GROUND LEVEL EVENT
    SOLAR RADIATION STORM AND GROUND LEVEL EVENT0

    On Sept. 10th, departing sunspot AR2673 erupted, producing a powerful X8-class solar flare. The explosion propelled a CME into space and accelerated a swarm of energetic protons toward Earth. Both are visible in this coronagraph movie from the Solar and Heliospheric Observatory (SOHO): The many specks in this movie are not stars–they are solar protons