The Blue moon
Speciality-
Its unusual to witness two PURNIMA in a single month...and thats why its named blue moon...its not like that the moon will have blue essence .as per records this cosmic phenomenom happend only 41 times every century and maintaining a average fequency of 2.5 year.We have witnessed Purnima on 2nd August'12 and now on 31st august'12.
In the year of 2009 it was the last Blue...
