Calm solar cycle prompts questions about impact on Earth

By Jean-Louis SantiniNovember 24, 2013 4:39 PM Washington (AFP) – The surface of the sun has been surprisingly calm of late — with fewer sunspots than anytime in in the last century — prompting curious scientists to wonder just what it might mean here on Earth. Sunspots have been observed for millennia — first by Chinese astronomers and then, for the … Continue reading