Last time we talked about sunspots–what makes a sunspot, what they look like, etc., and I kept going on about things happening every 11 years. What was all that about? I’ll tell you:
On a not-entirely-related note, I hope you all are having fun playing “guess the science-y book” in the Stay Tuned pictures at the end of each of these posts. The first two were relatively well-known books, but this one is much more obscure…digital brownies for anyone who can tell me the author without Googling it.