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NASA Has Spotted a Massive Hole in the Sun – G2 Geomagnetic Storm Watch 28-30 Sep
NASA’s SDO has spotted a Massive hole in the Sun. A giant dark area on the star’s upper half, known as a coronal hole, a low-density region of the sun’s atmosphere.
The low density of coronal holes is responsible for high-speed solar winds. These streams of solar particles blow off the coronal holes about three times faster than they do in higher-density areas of the sun.
If these high-speed blasts of particles collide with Earth, they can damage satellites or affect satellite operations, causing problems for people on the ground. The winds can also affect radio transmission, according to NOAA.
CORONAL HOLE TURNS TOWARD EARTH: A large coronal hole is turning toward Earth, and it is spewing a stream of high-speed solar wind. G2 (MODERATE) GEOMAGNETIC STORM WATCH FOR 28-30 SEPTEMBER
A G2 (Moderate) Geomagnetic Storm Watch has been issued for 28-30 September 2016 due to effects from the anticipated arrival of a recurrent coronal hole high speed stream. This feature was responsible for G2 conditions during its last rotation and is expected to behave similarly this week.
Extended Period of Storming Expected / Aurora Watch. Aurora chasers should have their cameras ready during the next several nights as minor (G1) to moderate (G2) geomagnetic storming will be possible during the next four (4) days.
A high speed solar wind stream flowing from a large, soon to be geoeffective coronal hole feature will begin to sweep past Earth and bring along with it a possible light show for viewers at middle to high latitudes.
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Sources:
http://www.solarham.net/
http://sdo.gsfc.nasa.gov/
http://spaceweather.com/
looks unpredictable