The sun emitted a mid-level solar flare, peaking at 11:50 p.m. EST on Dec. 16, 2014. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere to physically affect humans on the ground, however--when intense enough--they can disturb the atmosphere in the layer where GPS and communications signals travel.
NASA's sun watching observatory sees mid-level solar flare on Dec. 16, 2014
Phys.org - 17 Dec 2014 22:12
The sun emitted a mid-level solar flare, peaking at 11:50 p.m. EST on Dec. 16, 2014. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere to physically affect humans on the ground, however--when intense enough--they can disturb the atmosphere in the layer where GPS and communications signals travel.
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