The full moon night could be the night lovers would give their all to meet. We find in a wide collection of books how young lovers wait with longing for the full moon night. It is as if the night is tailor-made for their passions to flow unrestrained, spontaneous. The author need not delve more into descriptions of any nature to create the perfect ambience if he mentions that it is a full-moon night. The reader knows by instinct and his study of related literature and art to tell what is about to follow.
So here you have two definitions of a blue moon but the one for a calendar blue moon does not describe the true meaning of a blue moon. Here's why:
After a long and dangerous journey through the space between planets, the Cassini/Huygens Spacecraft reached Saturn on July 1, 2004. On December 25, 2004, the Huygens Probe was purposely liberated from the Cassini Orbiter. Huygens then began its historic descent through the dense blanket of golden-orange fog to at last lift the veil hiding Titan's long-hidden face.