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Solar eruption sparks biggest radiation storm in seven years
Wave of charged particles expected to force rerouting of polar airplane flights
A powerful solar eruption is expected to blast a stream of charged particles past Earth on Tuesday, as the strongest radiation storm since 2005 rages on the sun.
NASA's Solar Dynamics Observatory caught an extreme ultraviolet flash from a huge eruption on the sun overnight (10:59 p.m. ET Sunday, or 0359 GMT Monday), according to SpaceWeather.com.
The solar flare spewed from sunspot 1402, a region of the sun that has become increasingly active lately. Several NASA satellites, including the Solar Dynamics Observatory, the Solar Heliospheric Observatory and the STEREO spacecraft, observed the massive sun storm.
A barrage of charged particles triggered by the outburst is expected to hit Earth at around 9 a.m. ET Tuesday, according to experts at the Space Weather Prediction Center, a division of the National Oceanic and Atmospheric Administration. [Video and photos of the solar flare]
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