Solar Science Solar cycle update February 9, 2013 TopSpacer Bob Zimmerman has February update on solar activity: The weak solar maximum continues – Behind The Black. Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Share on Tumblr (Opens in new window) Tumblr More Share on Pinterest (Opens in new window) Pinterest Print (Opens in new window) Print Share on Reddit (Opens in new window) Reddit Related