Tuesday, April 11, 2017


On April 9th, a dark filament of magnetism on the sun rose up and hurled a portion of itself into space.  NASA's Solar Dynamics Observatory recorded the eruption:

Flying debris from the filament formed the core of a coronal mass ejection (CME). A movie from the Solar and Heliospheric Observatory (SOHO) shows the cloud leaving the sun. At first it appeared that the CME would miss Earth, but a new analysis by NOAA forecasters suggests that a glancing glow is possible on April 15th. G1-class geomagnetic storms are possible when the CME arrives this weekend.

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