We need to put you on our promotional staff. It's a misnomer, anyway. They think that maybe a past volcanic eruption, throwing lots of debris into the air, might have been the source of the name. If the moon is going to be any color other than yellow or white, it's going to be red from atmospheric conditions. But that isn't nearly as romantic.
Nobody ever sings about a red moon.
No matter how long human months last, it takes the moon a steady 29.5 days to go around. So blue moons are bound to happen. This is a useful thing of which to be reminded, and so for this blue moon, and all the blue moons to come, let us be thankful. St. Petersburg Times. All rights reserved.