Awesome moment plasma burst from the sun in a mid-level solar flare captured by NASA

TomoNews US 2016-04-29

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SPACE — NASA's Solar Dynamics Observatory caught the moment the sun released a mid-level solar flare on April 17.

This video was captured in several wavelengths of extreme ultraviolet light, a type of light that is typically invisible to our eyes but is colour-coded for easy viewing.

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. This flare caused moderate radio blackouts, according to NOAA's Space Weather Prediction Center.

Scientists study active regions, areas of intense magnetism, of the sun to better understand why they sometimes erupt with such flares.

The flare came from an area labeled Active Region 2529 — which has sported a large dark spot, called a sunspot, over the past several days. The sunspot changed shape and size as it slowly made its way across the sun's face over the past week and half.

It was big enough to be visible from the ground without magnification and is currently large enough that almost five Earths could fit inside.

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