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NASA About Solar Flares

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posted on Sep, 7 2011 @ 12:56 PM
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Hope you like like this kind of information ..
Trying to find recorded audio from this briefing ..

NASA News Audio Live Streaming
New Observations About Solar Flares
1 p.m. EDT, Wednesday, Sept. 7



Something New On the Sun: SDO Spots a Late Phase in Solar Flares


The sun's surface dances. Giant loops of magnetized solar material burst up, twist, and fall back down. Some erupt, shooting radiation flares and particles out into space.
Forced to observe this dance from afar, scientists use all the tools at their disposal to look for patterns and connections to discover what causes these great explosions.
Mapping these patterns could help scientists predict the onset of space weather that bursts toward Earth from the sun, interfering with communications and Global Positioning System (GPS) signals.


www.nasa.gov...

www.nasa.gov...
edit on 7-9-2011 by Dalke07 because: (no reason given)




posted on Sep, 7 2011 @ 01:02 PM
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Extra info here read all ..

SDO/EVE Late Phase Flares Briefing Materials

Multimedia Files in Support of the SDO/EVE Late Phase Flares Media Telecon


Scientists have been seeing just the tip of the iceberg when monitoring flares with X-rays. With the complete extreme ultraviolet (EUV) coverage by the SDO EUV Variability Experiment (EVE), they have observed enhanced EUV radiation that appears not only during the X-ray flare but also a second time delayed by many minutes after the X-ray flare peak.
Furthermore, the total EUV energy from this second EUV peak sometimes has more energy than the energy during the time of the X-ray flare peak. These delayed, second peaks are referred to as the EUV Late Phase contribution to flares.





The SDO observations have revealed a set of flares that have a large second peak for some of the extreme ultraviolet (EUV) emissions. It had previously been known that the EUV emissions have a peak near the time of the flare’s X-ray peak, but this second EUV peak is one to five hours later and without a corresponding X-ray peak. We refer to this delayed, second peak as the EUV Late Phase. The time series for the C9 flare on May 5, 2010 show the flare’s X-ray peak near 12 UT, followed by the EUV first peak five minutes later, and then the EUV Late Phase peaks more than an hour later. So far, 15% of the flares analyzed during the SDO mission have the EUV Late Phase. The EUV Late Phase contributes even more flare energy than we originally thought from studying only the X-ray flares. Thus, additional studies are important to understand how much extra energy that the EUV Late Phase provides towards heating and ionizing Earth’s atmosphere. 
Credit: NASA/University of Colorado/Tom Woods


www.nasa.gov...

www.nasa.gov...


edit on 7-9-2011 by Dalke07 because: (no reason given)



posted on Sep, 7 2011 @ 01:53 PM
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Thank you OP for the thread & info - I caught the last NASA news conference about their increased knowledge about solar storms & improving prediction models that was just a couple of weeks ago. More info and knowledge is a great thing - but I think it is equally important to recognize how much more there is yet to learn.

S&F for the update!!



posted on Sep, 7 2011 @ 09:10 PM
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reply to post by Dalke07
 


Good work Dalke07 for piecing together this infor.

Our sun's really getting uneasy these days...


S & F
edit on 7-9-2011 by InnerPeace2012 because: (no reason given)




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