Space.com on MSN
Earth was just hit by the strongest solar radiation storm in over 20 years — here's what it means
Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...
Starlust on MSN
Earth just faced the strongest solar radiation storm in over 22 years—here's what you need to know
NOAA's Space Weather Prediction Center classified the storm as S4 (severe).
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