Radio Blackouts And Aurora Predicted Today As Sunspot AR3842 Erupts
A gamy - speed flow of solar wind from a large coronal hole is expect to cause moderate geomagnetic storm over the next few twenty-four hours . The sunspot , captured in observations by NASA’sSolar Dynamics Observatory(SDO ) , erupted on October 1 , producing the second strongest solar flare pass of the current solar cycle . " Sunspots are areas where the magnetised field is about 2,500 times unattackable than Earth ’s , much in high spirits than anywhere else on the Sun , " the National Weather Serviceexplains ....