Blue Moon

Blue Moon

On the thirty-first of January in 2018
Observe the moon tinged with a strange blue sheen
The cause is due to the intervening atmosphere
But the unusual colour is nothing we should fear

A blue moon is a second surprising appearance
After an earlier quite regular occurrence
Thus in the month we see two successive moons
One is a New Moon followed now by the Blue

Of course there is only one moon which pops up twice
As if in this month only one won’t suffice
A calendar year has a surfeit of days
So with the 12 lunar cycles timings get out of phase

To keep the annual pattern duly uniform
Scientists had to devise  a quite clever reform
Thus on occasions which really are quite rare
A blue moon was scheduled quite reasonable and fair

But because this event is rather infrequent
A new name was given some time subsequent
Blue moons are events that make you stand and stare
Thus here on earth a ‘blue moon’ marks something very rare

Ken Fisher

See also: September Moon  Summer Moon   Moon


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