‘Canyon of fire’ solar storm to hit Earth today or tomorrow

Solar winds from the snapping of a gigantic “canyon of fire” filament on the sun are set to slam into the Earth today (July 20) or tomorrow (July 21), triggering a weak G1 geomagnetic storm.

Sun watchers first spotted (opens in new tab) solar filaments as dark, thread-like lines against the sun’s bright background on July 12, according to SpaceWeather.com. Then, on July 15, a filament that had snaked its way down our star’s northern hemisphere erupted (opens in new tab), carving out a roughly 238,880 mile (384,400 kilometers) long and 12,400 mile (20,000 km) deep “canyon of fire” on the sun’s surface and belching solar material right at us. 

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