Friday, April 20, 2018
G2-class geomagnetic storm
G2-class geomagnetic storm sparked unusual "electric blue" auroras. 20 Apr 18 New sunspot AR2706 is emerging this time with Solar wind speed: 605.3 km/sec density: 7.3 protons/cm3 Breaking first tonynetone
Post a Comment
Note: Only a member of this blog may post a comment.
Post Comments (Atom)