The Ring Hentia Why Is There A Ring Around The Moon Tonight?

Why is there a ring around the moon tonight? - the ring hentia

I went outside and saw a ring around the moon, and he was like the

http://www.venustransit.pghfree.net/pics/faq/Ring_around_the_Moon_Jan_29_003% 5B1% 5D.jpg

What does this mean? Why is it?