blue moon


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blue moon

A long, albeit vague, period of time. Often used in the phrase "once in a blue moon." I haven't seen you in blue moon, Pete! What are you doing these days?
See also: blue, moon
References in periodicals archive ?
The Revival Social Club also offered to honor Blue Moon gift certificates via a Facebook post.
Never again did I say that there was nothing to a Blue Moon period.
It is expected that the next Blue Moon phenomenon will occur in October, 2020.
Caption: Tide chart reveals two full moons in March, as in January, a "double blue moon," not seen since spring of '99.
It's also the second full moon of the month commonly known as "blue moon.
However, astronomy enthusiasts looking to see the blue moon at its topmost point will have to brave the cold and windy weather.
It's the first time in 35 years a blue moon has synced up with a supermoon and a total lunar eclipse, the latter also called a blood moon because of its red hue.
Three rare astronomical shows -- a super moon, a blue moon and a total lunar eclipse -- will embellish Seoul's Wednesday night sky.
The most recent lunar eclipse was 2015, the last blue moon eclipse was in 1982 and the last time a super blue red moon occurred was way back in 1866.
A total lunar eclipse took place alongside a blue moon and a supermoon that made skywatchers excited for the epic moment.
A blue moon or 'supermoon' will emerge above Paisley and beyond for the first time in three years.
This event is causing a buzz because it combines three unusual lunar events - an extra big super moon, a blue moon, and a total lunar eclipse.
Here are some of them: The event is causing a buzz because it combines three unusual lunar events - an extra big super moon, a blue moon and a total lunar eclipse.
THERE will be an unusual sight in the sky tomorrow night - the first blue moon for two-and-a-half years.