Coronal Hole

Awauphi

Awauphi

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CORONAL HOLE: There's a gaping black hole on the sun today, shown here in an X-ray image from NOAA's GOES-13 satellite:




The technical term is "coronal hole." It's a place in the sun's atmosphere where magnetic fields open up and allow solar wind to escape. A stream of solar wind flowing from this hole should reach Earth on Oct. 20th or 21st, possibly sparking a geomagnetic storm. Sky watchers, be alert for auroras!
 
haha nah.. but we are in for aurora surprises! i cant wait! :)
 
yes i am in astrology.. its very interesting to read about the stories and look for the signs all over sky..
 
both.. lol.. i like to read astrology about our signs.. then astronomy all constellations in the sky.. :)
 
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