~Space Weather Update~ Radiation Storm~ Wind Speed 277
RADIATION STORM: Accelerated by yesterday's X-flare, energetic protons from the sun are swarming around Earth on Jan. 28th. The radiation storm ranks S2 on NOAA scales, which means this is not a severe storm. Nevertheless, it can still affect spacecraft and satellites at the nuisance level. For instance, this coronagraph image from SOHO is clouded by protons hitting SOHO's onboard digital camera.
ANNULAR SOLAR ECLIPSE: A "ring of fire" solar eclipse is coming to the USA this spring. It's the first annular eclipse visible from the contiguous United States in almost 18 years. Science@NASA has the full story and a video.
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X-FLARE (UPDATED): Departing sunspot 1402 unleashed an X2-class solar flare on Jan. 27th at 18:37 UT. NASA's Solar Dynamics Observatory recorded the extreme ultraviolet flash:
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