[GTER] Explosão solar

[Durval Menezes]

Prezados,

On Tue, Oct 28, 2003 at 11:55:11PM -0200, Gustavo Molina wrote:
> Preparem-se para eventuais blackouts em comunicação.

Enquanto isso o rack INTEIRO de um cliente nosso, que fica hospedado em 
um famoso IDC, rebootou... precisamente `as 10:56h.

Pelo menos o pessoal do IDC ja' tem desculpa :-)

Um Grande Abraco,
-- 
   Durval Menezes (durval AT tmp DOT com DOT br, http://www.tmp.com.br/)

> 
> http://www.cnn.com/2003/TECH/space/10/28/solar.flare/
> 
> CNN)  --  One of the largest known solar flares erupted from the sun on Tuesday,
> heralding a storm of superheated gas that could hit Earth within a day.
> 
> The  outburst  was  classified  an  X17.2  flare,  the  third largest on record,
> according  to  Paal  Brekke, a project scientist with the Solar and Heliospheric
> Observatory (SOHO), a sun-watching satellite mission jointly run by NASA and the
> European Space Agency.
> 
> In  comparison,  two  solar  storms  observed  last week were between X1 and X5,
> Brekke said.
> 
> Solar flares are associated with coronal mass ejections, or CMEs, eruptions from
> the sun that, if headed our way, can disrupt communications satellites and power
> grids.
> 
> As  this  particularly  fast-moving  CME  is  aimed directly toward Earth, it is
> possible that when it arrives midday Wednesday, the geomagnetic activity will be
> strong enough to stir up electrical trouble.
> 
> "The  eruption  was  positioned  perfectly.  It's  headed straight for us like a
> freight  train,"  said  John Kohl, a Harvard-Smithsonian Center for Astrophysics
> scientist, in a statement. "A major geomagnetic storm is bound to happen."
> 
> Brekke  is  not  so  sure  and awaits more data from SOHO and another deep space
> solar-watching satellite positioned between the sun and Earth.
> 
> "Until  we know the orientation of the magnetic field in this cloud, we will not
> know how severe the geomagnetic storm will be."
>  
> Interacting with Earth's magnetic field, the high-energy solar winds produced by
> a CME often increase night displays of the northern and southern lights.
> 
> "Not  all  CMEs trigger auroras. Several, for instance, have swept past Earth in
> recent  days  without  causing  widespread  displays,"  said  Tony  Phillips  of
> Spaceweather.com, which monitors cosmic conditions related to the sun and Earth.
> 
> "It  all  depends  on  the  orientation  of  tangled  magnetic fields within the
> electrified  cloud  of gas. This CME is no exception. It might cause auroras, or
> it might not. We will find out when it arrives."
> 
> --- 
> Gustavo Molina          mailto:gustavo at molina.com.br
> 
> --
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