An UFO is an Unidentified Flying Object.
"UFO" is a TLA ... a Three Letter Acronym ... for the phrase "Unidentified Flying Object".
Once an object has been identified, it is no longer a UFO.
Since those that are still listed as "UFO"s remain unidentified, it's not possible to say
what they are, other than unidentified.
A UFO is an abbreviation for Unidentified Flying Object.
a UFO See http://grammar.ccc.commnet.edu/grammar/abbreviations.htm (all the way to the bottom) for help determining when to use a or an before an abbreviation.
They usually see UFO's at a UFO sighting
Ufo's do exist because a Ufo is a thing in the sky that you can not explain.
movies that have UFO's in them i guess
It is unknown what is inside of a UFO.
The 'F' in UFO stands for "Flying". UFO is an acronym for Unidentified Flying Object.
Alien+rocket=UFO
You put the rod in the UFO and
Air +metal= ufo
If a UFO was found by a person, then it was no longer flying and no longer unidentified; therefore, no longer a UFO.
The average UFO has no weight. The average UFO is a digital image or an image on film.
The combination for the UFO is 56 and 52