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Sun Emits a Mid-level Solar Flare

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Posted April 22, 2014

The sun emitted a mid-level solar flare, peaking at 9:03 a.m. EDT on April 18, 2014, and NASA’s Solar Dynamics Observatory captured images 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.

A mid-level flare burst from the sun on April 18, 2014, as seen as a bright spot in the center of this image. The image was captured by NASA's Solar Dynamics Observatory in 304 angstrom. Image Credit: NASA/SDO

A mid-level flare burst from the sun on April 18, 2014, as seen as a bright spot in the center of this image. The image was captured by NASA’s Solar Dynamics Observatory in 304 angstrom. Image Credit: NASA/SDO

To see how this event may impact Earth, please visit NOAA’s Space Weather Prediction Center at https://spaceweather.gov, the U.S. government’s official source for space weather forecasts, alerts, watches and warnings.

This flare is classified as an M7-class flare. M-class flares are one step below the most intense flares, which are designated as X-class.

Source: NASA

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