News tagged with flares

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Sun unleashes powerful X-class solar flare

The Sun has been quiet recently but early today (04:13 UTC on March 5, 2012) it unleashed a powerful X1-class solar flare and coronal mass ejection. The latest estimates indicate the CME will probably miss Earth, but hit ...

Mar 06, 2012
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Earth-facing sunspot doubles in size

The latest sunspot region to traverse the face of the Sun has nearly doubled in size as it aims Earthward, as seen in the animation above from NASA’s Solar Dynamics Observatory. (Click image to play the ...

Feb 13, 2012
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Classifying solar eruptions

(PhysOrg.com) -- Solar flares are giant explosions on the sun that send energy, light and high speed particles into space. These flares are often associated with solar magnetic storms known as coronal mass ...

Jan 26, 2012
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Can solar flares hurt astronauts?

Solar flares, coronal mass ejections, high-energy photons, cosmic rays… space is full of various forms of radiation that a human wouldn’t want to be exposed to for very long. Energized particles ...

Jan 24, 2012
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Giant sunspot turns to face the Earth

What has been billed as the largest sunspot observed in several years has now rotated around to stare straight at Earth. How large is it? Active Region 1339 and the group of sunspots adjacent to it extends ...

Nov 11, 2011
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