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Post Info TOPIC: Sun 07.06.11


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RE: Sun 07.06.11
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Solar Flare Sparks Biggest Eruption Ever Seen on Sun

The solar flare - an unusually bright spot on the sun - wasn't surprising as a "moderate" event. Space observatories in the past year recorded about 70 such solar flares, each roughly ten times weaker than "extreme" flares, of which only two have occurred since 2007.
Instead, what shocked scientists was the unusual amount of material that lofted up, expanded, and fell back down over roughly half the surface area of the sun. The event's simultaneous launch of particles into space is called a coronal mass ejection (CME).

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Space weather expert downplays threat to Earth from solar flare

The arrival of the highly energetic particles is likely to boost auroras at high latitudes, but no adverse effects are expected to technical equipment. More powerful solar events can unleash bursts of radiation that disrupt satellites, power stations and communication systems.
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Solar Prominence Eruption



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Suno70611b.jpg
Expand (713kb, 1024 x 1024)
Credit NASA/SOHO

Ed ~ The bright object on the right is the planet Mercury.



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