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Waspie_Dwarf

Sun Continues to Emit Solar Flares

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Sun Continues to Emit Solar Flares

After emitting its first significant solar flares since June 2013 earlier in the week, the sun continued to produce mid-level and significant solar flares on Oct. 27 and Oct. 28, 2013.

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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NASA SDO - 48 Hours of Activity

A closer look at Active Region 1875 and its increased activity the past 48 hours, including several M-class (medium sized) flares and one X-class (the largest of the flare categories) solar flare.

This view is in the 304 wavelength, which shows areas were cooler dense plumes of plasma (filaments and prominences) are located above the visible surface of the Sun. The bright areas, however, show places where the plasma has high density. The temperatures observed here are approx. 90,000F.

Credit: NASA Solar Dynamics Observatory (Little SDO)

Source: NASA/SDO - Facebook

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