Posted inWorld News Johannes Kepler’s 1607 sketches of sunspots solve solar mysteryJohannes Kepler’s 1607 sketches of sunspots solve solar mystery Posted by By August 15, 2024No Comments Scientists analyzed famed astronomer Johannes Kepler’s 1607 sketches of sunspots to solve a mystery about the sun’s solar cycle that has persisted for centuries. View All Posts Post navigation Previous Post What is mpox, and why is this outbreak so concerning?What is mpox, and why is this outbreak so concerning? Next PostNick Paton Walsh reports from Russia’s border, says it’s ‘completely undefended’Nick Paton Walsh reports from Russia’s border, says it’s ‘completely undefended’