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Earth hit by strongest solar storm in 20 years

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, but harmless on the ground.

Live Science on MSN · 1d

Earth hit by biggest 'solar radiation storm' in 23 years, triggering northern lights as far as Southern California

· 1d

Earth was hit by strongest solar radiation storm since 1991, agency says

Space on MSN

Northern lights may be visible in 10 states tonight as Earth's magnetic field 'rings like a bell' after CME impact

Auroras may be visible from Alaska to Maine tonight as Earth reels from a colossal CME impact.

Space.com on MSN

Northern lights may be visible in 24 states tonight as a massive CME slams into Earth

Auroras may be visible from Alaska to Colorado tonight as a speedy coronal mass ejection impacts Earth.

PRIMETIMER

Solar activity increases as X class flare sends CME toward Earth

An X-class solar flare has produced an Earth-directed coronal mass ejection, increasing solar activity and raising the likelihood of geomagnetic impacts within 24 hours.

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