Space Weather News for May 18, 2016   
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   NASA'S GIANT SPACE BALLOON: On May 17th, NASA successfully launched a gigantic   
   helium balloon from Wanaka, New Zealand, on a 100+ day mission to the   
   stratosphere. The 19 million cubic foot behemoth is now floating over southern   
   Australia, and it will soon proceed to circumnavigate the southern   
   hemisphere.  Sky watchers near the flight path can see the "space balloon"   
   with the unaided eye and track it with backyard telescopes. Visit   
   http://spaceweather.com for observing tips and more information about the   
   balloon's fascinating payload.   
       
   MINOR GEOMAGNETIC STORMS POSSIBLE THIS WEEK: NOAA forecasters estimate a 50%   
   to 60% chance of minor G1-class geomagnetic storms on May 19-20 when Earth   
   enters a stream of high-speed solar wind. High-latitude sky watchers should be   
   alert for auroras, especially in the southern hemisphere where darkening   
   autumn skies favor visibility.   
       
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   Above: The solar wind stream expected to hit Earth on May 19-20 is flowing   
   from this coronal hole. Photo credit: NASA/SDO   
       
       
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   Roger   
      
   --- DB 3.99 + Windows 10   
    * Origin: NCS BBS - Houma, LoUiSiAna (1:3828/7)