1,180 followers Baronian Consulting @BaronianConsult Long-Term Variations in Sunspot Characteristics. http://t.co/ncZ7f1R6uQ 21 Sep 2013 Reply Repost Favourite
6,802 followers Astrophysics Papers @AstroPHYPapers Long-Term Variations in Sunspot Characteristics. http://t.co/ncZ7f1R6uQ 20 Sep 2013 Reply Repost Favourite