Astro Bob column: Modern definition of 'blue moon' a case of misinterpretation
Published 08/31/2012, Duluth News Tribune
It was actually a mistake by an amateur astronomer in Sky & Telescope magazine in 1946 that led to our current definition of “blue moon” as the unusual second full moon in a month.Word count: 730
The full article is available to newspaper subscribers. If you are a subscriber please log in to continue reading.