When you buy through links on our articles, Future and its syndication partners may earn a commission.A filtered image of a full moon. | Credit: mauinow1i/Stock/Getty Images PlusOn May 31, the lunar month culminates in a Blue Moon — in this case, the second full moon in a calendar month.The “Blue Moon” moniker adds a touch of drama to this full moon, calling to mind the emotive associations from popular culture over the last century. There’s the 1934 song that has been performed and recorded for nearly 100 years (in addition to scores of other songs that refer to a Blue Moon), there are at least a half dozen films that bear the name, and
