​T.O.P. (The Other Planet​ )

What is UFO ??

U.F.O., stands for Unidentified flying object, is the popular term used for any flying object which can not be identified by the observer immediately; especially those considered to have extraterrestrial origins. It doesn't necessarily mean an alien craft, although it is often used that way. It just means some object in the sky that is unknown.
 

Some of the most popular UFO pictures are following