Blue Moon

Astronomers around the world are polishing their telescopes for a set of rare lunar phenomena happening this Halloween night. That’s because a full moon will be visible this Halloween, Oct. 31, for the first time since 1944. But this exceptional Halloween moon is only one in a series of special astronomical phenomena happening on the ancient festival date. I See a Blue Moon Rising “Blue Moon” was a classic popular song written by Richard Rodgers and Lorenz Hart in 1934. Farmers’ Almanac says that when four full moons happen in a single season “the third is considered a blue moon”. The last actual “Blue Full Moon” phenomena on Halloween night across all U.S. timezones occurred in 1944. In Europe it