The acronym "UFO" stands for Unidentified Flying Object"; something in the sky that the observer does not recognize.
Many people think they know EXACTLY what they are and aren't "unidentified" at all. They believe that "UFO" means "alien spacecraft", which is an enormous stretch of the imagination - but "alien spacecraft" is a lot more fun to think about than "We don't know".
Unfortunately, "alien spacecraft" is fiction; but "we don't know" doesn't make a very good movie plot.
UFO
UFO sightings predate recorded history. But there have been drawings of UFO's on cave walls, meaning our ancient ancestors were seeing something in the sky that resembles eyewitness descriptions of UFO's.
OVNI is the Spanish version of the acronym UFO. UFO stands for "unidentified flying object. OVNI stands for "Objeto Volador No Identificado". Both terms have the same meaning.
It is a secret encounter, meaning it appears randomly depending on your luck and Outdoorsman skill.
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.
Ufo's do exist because a Ufo is a thing in the sky that you can not explain.
They usually see UFO's at a UFO sighting
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.
You put the rod in the UFO and
Air +metal= ufo