“It is a beautiful and delightful sight to behold the body of the Moon.” -Galileo Galilei
Tonight something special will occur that only happens once in a blue moon.
It’s, well, a blue moon. No, the moon will not actually be blue.
Quite simply put, it’s the second full moon to occur within a calendar month. This month, for example, there was a full moon on July 2 – and now, squeezed in at the last second, there will be a full moon tonight, on July 31 – a blue moon.
Blue Moons are possible because the moon goes through a full cycle every 27.3 days, making it actually shorter than a calendar month. Over time, the days accumulate, and after 3 years, the blue moon graces the night skies, and instead of the typical 12 full moons a year, we get a rare 13.
So look to the skies tonight and enjoy a rarity of nature. And turn on some Billie Holiday while you’re at it.
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