A blue moon rises above Dyche Hall at the University of Kansas Thursday, Dec. 31, 2009, in Lawrence, Kan. While not blue in color, the second full moon in a calendar month is called a Blue Moon.
A blue moon, or the second full moon of the month, is seen over a church in Amman December 31, 2009.
The earth casts a faint shadow over the blue moon in a rare partial lunar eclipse a few hours into the New Year Friday Jan. 1, 2010 as seen in Manila, Philippines. People all over the world, particularly in Asia, were treated to the rare occurrence of a Blue Moon and a partial Lunar Eclipse as they celebrate with fireworks and other merry-making activities to welcome the New Year.
The sunset is reflected on the wing of a commercial airliner as the full moon rises over clouds in the horizon over Athens December 31, 2009. For only the second time in nearly two decades, Earth is illuminated by a "Blue Moon," the name given to the second full moon appearing in a single month.
A blue moon or the second full moon of the month, is seen over the Dormition Abbey on Mount Zion, next to Jerusalem's Old City December 31, 2009.
A partial lunar eclipse is seen from Mumbai, Friday, Jan 1, 2010. The lunar eclipse occurred on a Blue Moon, the second full moon of December, the first occurred Dec. 2.
A partial lunar eclipse is seen over a street clock in Macedonia's capital Skopje, on New Year's Eve, Thursday, Dec. 31, 2009. The lunar eclipse occurred on a Blue Moon, the second full moon of December.
A passenger jet prepares to land in Cape Town beneath a blue moon in partial eclipse, December 31, 2009.