Look up! – When you can see the rare full ‘blue moon’
CNN — This weekend is your next chance to gaze at the rare full blue moon before it disappears until 2024. A blue moon is the third full moon in a season containing four full moons instead of the usual three, according to Sky & Telescope magazine. The lunar phenomenon has been a cultural inspiration for music, art, and language — such as the hit song “When My Blue Moon Turns to Gold Again“, recorded by multiple artists including Elvis Presley, as well as the saying “once in a blue moon” to describe a rare event. Sources differ on how long the phrase...
