For more visit http://www.minastudio.com/
Blue moon
From Wikipedia, the free encyclopedia
This article is about the astronomical phenomenon. For other uses, see Blue Moon (disambiguation).
A blue moon is usually used to describe a second full moon in a single solar calendar month, which happens every two to three years (seven times in the Metonic cycle of 19 years
Δεν υπάρχουν σχόλια:
Δημοσίευση σχολίου