Ever wondered what a blue moon really is? No, its not the color of the moon, its actually when there are two full moons in a month. It is said to occur every 2.5 years, however for one to occur right on New Year (December 31st), this is a rarity and occurs only once every 19 years. Last one was in 1990 and the next one will be in 2028.
So guys, come 2010, all eyes to the sky for a once in a 19 year experience. Check out the link I put below