Once in a Blue Moon, Twice in a Month
Hey hey! It’s a blue moon today! For all those people who have used the phrase ‘Once in a blue moon,’ it finally happened. Turns out that phrase means ‘about once every 2-3 years.’ A blue moon doesn’t mean the moon is changing colour anytime soon, just like a supermoon doesn’t mean the moon actually gains superpowers or gets noticeably bigger. A blue moon is simply the second full moon in a calendar month. The moon orbits the Earth in approximately 29.5 days. This was how months were originally formed. But 12 months x 29.5 days means that we are...